diff --git a/.jscs.json b/.jscs.json
index f00a97b9..0e043abb 100644
--- a/.jscs.json
+++ b/.jscs.json
@@ -149,6 +149,10 @@
 
 	"requireObjectDestructuring": false,
 
-	"requireEarlyReturn": false
+	"requireEarlyReturn": false,
+
+	"requireCapitalizedConstructorsNew": {
+		"allExcept": ["Function", "String", "Object", "Symbol", "Number", "Date", "RegExp", "Error", "Boolean", "Array", "OrigNumber"]
+	}
 }
 
diff --git a/node_modules/chai/chai.js b/node_modules/chai/chai.js
index 431fea3f..1d30296a 100644
--- a/node_modules/chai/chai.js
+++ b/node_modules/chai/chai.js
@@ -15,7 +15,7 @@ var used = []
  * Chai version
  */
 
-exports.version = '3.4.1';
+exports.version = '3.5.0';
 
 /*!
  * Assertion Error
@@ -324,6 +324,7 @@ module.exports = function (chai, _) {
    * - same
    *
    * @name language chains
+   * @namespace BDD
    * @api public
    */
 
@@ -347,6 +348,7 @@ module.exports = function (chai, _) {
    *       .and.not.equal('bar');
    *
    * @name not
+   * @namespace BDD
    * @api public
    */
 
@@ -371,6 +373,7 @@ module.exports = function (chai, _) {
    *     expect(deepCss).to.have.deep.property('\\.link.\\[target\\]', 42);
    *
    * @name deep
+   * @namespace BDD
    * @api public
    */
 
@@ -387,6 +390,7 @@ module.exports = function (chai, _) {
    *     expect(foo).to.have.any.keys('bar', 'baz');
    *
    * @name any
+   * @namespace BDD
    * @api public
    */
 
@@ -405,6 +409,7 @@ module.exports = function (chai, _) {
    *     expect(foo).to.have.all.keys('bar', 'baz');
    *
    * @name all
+   * @namespace BDD
    * @api public
    */
 
@@ -440,6 +445,7 @@ module.exports = function (chai, _) {
    * @alias an
    * @param {String} type
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -477,6 +483,7 @@ module.exports = function (chai, _) {
    * @alias contains
    * @param {Object|String|Number} obj
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -532,6 +539,7 @@ module.exports = function (chai, _) {
    *     expect(null).to.not.be.ok;
    *
    * @name ok
+   * @namespace BDD
    * @api public
    */
 
@@ -551,6 +559,7 @@ module.exports = function (chai, _) {
    *     expect(1).to.not.be.true;
    *
    * @name true
+   * @namespace BDD
    * @api public
    */
 
@@ -572,6 +581,7 @@ module.exports = function (chai, _) {
    *     expect(0).to.not.be.false;
    *
    * @name false
+   * @namespace BDD
    * @api public
    */
 
@@ -593,6 +603,7 @@ module.exports = function (chai, _) {
    *     expect(undefined).to.not.be.null;
    *
    * @name null
+   * @namespace BDD
    * @api public
    */
 
@@ -613,6 +624,7 @@ module.exports = function (chai, _) {
    *     expect(null).to.not.be.undefined;
    *
    * @name undefined
+   * @namespace BDD
    * @api public
    */
 
@@ -632,6 +644,7 @@ module.exports = function (chai, _) {
    *     expect(4).not.to.be.NaN;
    *
    * @name NaN
+   * @namespace BDD
    * @api public
    */
 
@@ -657,6 +670,7 @@ module.exports = function (chai, _) {
    *     expect(baz).to.not.exist;
    *
    * @name exist
+   * @namespace BDD
    * @api public
    */
 
@@ -681,6 +695,7 @@ module.exports = function (chai, _) {
    *     expect({}).to.be.empty;
    *
    * @name empty
+   * @namespace BDD
    * @api public
    */
 
@@ -712,6 +727,7 @@ module.exports = function (chai, _) {
    *
    * @name arguments
    * @alias Arguments
+   * @namespace BDD
    * @api public
    */
 
@@ -747,6 +763,7 @@ module.exports = function (chai, _) {
    * @alias deep.equal
    * @param {Mixed} value
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -783,6 +800,7 @@ module.exports = function (chai, _) {
    * @alias eqls
    * @param {Mixed} value
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -821,6 +839,7 @@ module.exports = function (chai, _) {
    * @alias greaterThan
    * @param {Number} value
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -869,6 +888,7 @@ module.exports = function (chai, _) {
    * @alias gte
    * @param {Number} value
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -917,6 +937,7 @@ module.exports = function (chai, _) {
    * @alias lessThan
    * @param {Number} value
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -965,6 +986,7 @@ module.exports = function (chai, _) {
    * @alias lte
    * @param {Number} value
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1012,6 +1034,7 @@ module.exports = function (chai, _) {
    * @param {Number} start lowerbound inclusive
    * @param {Number} finish upperbound inclusive
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1051,6 +1074,7 @@ module.exports = function (chai, _) {
    * @param {Constructor} constructor
    * @param {String} message _optional_
    * @alias instanceOf
+   * @namespace BDD
    * @api public
    */
 
@@ -1135,6 +1159,7 @@ module.exports = function (chai, _) {
    * @param {Mixed} value (optional)
    * @param {String} message _optional_
    * @returns value of property for chaining
+   * @namespace BDD
    * @api public
    */
 
@@ -1190,6 +1215,7 @@ module.exports = function (chai, _) {
    * @alias haveOwnProperty
    * @param {String} name
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1222,6 +1248,7 @@ module.exports = function (chai, _) {
    * @param {String} name
    * @param {Object} descriptor _optional_
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1274,6 +1301,7 @@ module.exports = function (chai, _) {
    * switched to use `lengthOf(value)` instead.
    *
    * @name length
+   * @namespace BDD
    * @api public
    */
 
@@ -1289,6 +1317,7 @@ module.exports = function (chai, _) {
    * @name lengthOf
    * @param {Number} length
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1325,6 +1354,7 @@ module.exports = function (chai, _) {
    * @alias matches
    * @param {RegExp} RegularExpression
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
   function assertMatch(re, msg) {
@@ -1350,6 +1380,7 @@ module.exports = function (chai, _) {
    * @name string
    * @param {String} string
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1401,6 +1432,7 @@ module.exports = function (chai, _) {
    * @name keys
    * @alias key
    * @param {...String|Array|Object} keys
+   * @namespace BDD
    * @api public
    */
 
@@ -1520,6 +1552,7 @@ module.exports = function (chai, _) {
    * @param {String} message _optional_
    * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
    * @returns error for chaining (null if no error)
+   * @namespace BDD
    * @api public
    */
 
@@ -1663,6 +1696,7 @@ module.exports = function (chai, _) {
    * @alias respondsTo
    * @param {String} method
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1697,6 +1731,7 @@ module.exports = function (chai, _) {
    *     expect(Foo).itself.not.to.respondTo('baz');
    *
    * @name itself
+   * @namespace BDD
    * @api public
    */
 
@@ -1715,6 +1750,7 @@ module.exports = function (chai, _) {
    * @alias satisfies
    * @param {Function} matcher
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1746,6 +1782,7 @@ module.exports = function (chai, _) {
    * @param {Number} expected
    * @param {Number} delta
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1797,6 +1834,7 @@ module.exports = function (chai, _) {
    * @name members
    * @param {Array} set
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1846,6 +1884,7 @@ module.exports = function (chai, _) {
    * @name oneOf
    * @param {Array<*>} list
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1875,7 +1914,7 @@ module.exports = function (chai, _) {
    *     var fn = function() { obj.val += 3 };
    *     var noChangeFn = function() { return 'foo' + 'bar'; }
    *     expect(fn).to.change(obj, 'val');
-   *     expect(noChangFn).to.not.change(obj, 'val')
+   *     expect(noChangeFn).to.not.change(obj, 'val')
    *
    * @name change
    * @alias changes
@@ -1883,6 +1922,7 @@ module.exports = function (chai, _) {
    * @param {String} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1920,6 +1960,7 @@ module.exports = function (chai, _) {
    * @param {String} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1957,6 +1998,7 @@ module.exports = function (chai, _) {
    * @param {String} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace BDD
    * @api public
    */
 
@@ -1995,6 +2037,7 @@ module.exports = function (chai, _) {
    *     expect(frozenObject).to.not.be.extensible;
    *
    * @name extensible
+   * @namespace BDD
    * @api public
    */
 
@@ -2036,6 +2079,7 @@ module.exports = function (chai, _) {
    *     expect({}).to.not.be.sealed;
    *
    * @name sealed
+   * @namespace BDD
    * @api public
    */
 
@@ -2075,6 +2119,7 @@ module.exports = function (chai, _) {
    *     expect({}).to.not.be.frozen;
    *
    * @name frozen
+   * @namespace BDD
    * @api public
    */
 
@@ -2135,6 +2180,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} expression to test for truthiness
    * @param {String} message to display on error
    * @name assert
+   * @namespace Assert
    * @api public
    */
 
@@ -2157,6 +2203,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} expected
    * @param {String} message
    * @param {String} operator
+   * @namespace Assert
    * @api public
    */
 
@@ -2181,6 +2228,7 @@ module.exports = function (chai, util) {
    * @alias ok
    * @param {Mixed} object to test
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2200,6 +2248,7 @@ module.exports = function (chai, util) {
    * @alias notOk
    * @param {Mixed} object to test
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2218,6 +2267,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} actual
    * @param {Mixed} expected
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2244,6 +2294,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} actual
    * @param {Mixed} expected
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2270,6 +2321,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} actual
    * @param {Mixed} expected
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2288,6 +2340,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} actual
    * @param {Mixed} expected
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2306,6 +2359,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} actual
    * @param {Mixed} expected
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2324,6 +2378,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} actual
    * @param {Mixed} expected
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2342,6 +2397,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} valueToCheck
    * @param {Mixed} valueToBeAbove
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2361,6 +2417,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} valueToCheck
    * @param {Mixed} valueToBeAtLeast
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2379,6 +2436,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} valueToCheck
    * @param {Mixed} valueToBeBelow
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2398,6 +2456,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} valueToCheck
    * @param {Mixed} valueToBeAtMost
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2416,6 +2475,7 @@ module.exports = function (chai, util) {
    * @name isTrue
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2434,6 +2494,7 @@ module.exports = function (chai, util) {
    * @name isNotTrue
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2452,6 +2513,7 @@ module.exports = function (chai, util) {
    * @name isFalse
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2470,6 +2532,7 @@ module.exports = function (chai, util) {
    * @name isNotFalse
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2487,6 +2550,7 @@ module.exports = function (chai, util) {
    * @name isNull
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2505,6 +2569,7 @@ module.exports = function (chai, util) {
    * @name isNotNull
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2521,6 +2586,7 @@ module.exports = function (chai, util) {
    * @name isNaN
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2537,6 +2603,7 @@ module.exports = function (chai, util) {
    * @name isNotNaN
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
   assert.isNotNaN = function (val, msg) {
@@ -2554,6 +2621,7 @@ module.exports = function (chai, util) {
    * @name isUndefined
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2572,6 +2640,7 @@ module.exports = function (chai, util) {
    * @name isDefined
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2590,6 +2659,7 @@ module.exports = function (chai, util) {
    * @name isFunction
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2608,6 +2678,7 @@ module.exports = function (chai, util) {
    * @name isNotFunction
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2618,8 +2689,8 @@ module.exports = function (chai, util) {
   /**
    * ### .isObject(value, [message])
    *
-   * Asserts that `value` is an object (as revealed by
-   * `Object.prototype.toString`).
+   * Asserts that `value` is an object of type 'Object' (as revealed by `Object.prototype.toString`).
+   * _The assertion does not match subclassed objects._
    *
    *     var selection = { name: 'Chai', serve: 'with spices' };
    *     assert.isObject(selection, 'tea selection is an object');
@@ -2627,6 +2698,7 @@ module.exports = function (chai, util) {
    * @name isObject
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2637,7 +2709,7 @@ module.exports = function (chai, util) {
   /**
    * ### .isNotObject(value, [message])
    *
-   * Asserts that `value` is _not_ an object.
+   * Asserts that `value` is _not_ an object of type 'Object' (as revealed by `Object.prototype.toString`).
    *
    *     var selection = 'chai'
    *     assert.isNotObject(selection, 'tea selection is not an object');
@@ -2646,6 +2718,7 @@ module.exports = function (chai, util) {
    * @name isNotObject
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2664,6 +2737,7 @@ module.exports = function (chai, util) {
    * @name isArray
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2682,6 +2756,7 @@ module.exports = function (chai, util) {
    * @name isNotArray
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2700,6 +2775,7 @@ module.exports = function (chai, util) {
    * @name isString
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2718,6 +2794,7 @@ module.exports = function (chai, util) {
    * @name isNotString
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2736,6 +2813,7 @@ module.exports = function (chai, util) {
    * @name isNumber
    * @param {Number} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2754,6 +2832,7 @@ module.exports = function (chai, util) {
    * @name isNotNumber
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2775,6 +2854,7 @@ module.exports = function (chai, util) {
    * @name isBoolean
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2796,6 +2876,7 @@ module.exports = function (chai, util) {
    * @name isNotBoolean
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2820,6 +2901,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} value
    * @param {String} name
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2839,6 +2921,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} value
    * @param {String} typeof name
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2860,6 +2943,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {Constructor} constructor
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2881,6 +2965,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {Constructor} constructor
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2901,6 +2986,7 @@ module.exports = function (chai, util) {
    * @param {Array|String} haystack
    * @param {Mixed} needle
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2921,6 +3007,7 @@ module.exports = function (chai, util) {
    * @param {Array|String} haystack
    * @param {Mixed} needle
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2939,6 +3026,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} value
    * @param {RegExp} regexp
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2957,6 +3045,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} value
    * @param {RegExp} regexp
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2975,6 +3064,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -2993,6 +3083,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3012,6 +3103,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3031,6 +3123,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3051,6 +3144,7 @@ module.exports = function (chai, util) {
    * @param {String} property
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3071,6 +3165,7 @@ module.exports = function (chai, util) {
    * @param {String} property
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3092,6 +3187,7 @@ module.exports = function (chai, util) {
    * @param {String} property
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3113,6 +3209,7 @@ module.exports = function (chai, util) {
    * @param {String} property
    * @param {Mixed} value
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3132,6 +3229,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} object
    * @param {Number} length
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3160,6 +3258,7 @@ module.exports = function (chai, util) {
    * @param {RegExp} regexp
    * @param {String} message
    * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+   * @namespace Assert
    * @api public
    */
 
@@ -3188,6 +3287,7 @@ module.exports = function (chai, util) {
    * @param {RegExp} regexp
    * @param {String} message
    * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+   * @namespace Assert
    * @api public
    */
 
@@ -3213,6 +3313,7 @@ module.exports = function (chai, util) {
    * @param {String} operator
    * @param {Mixed} val2
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3265,6 +3366,7 @@ module.exports = function (chai, util) {
    * @param {Number} expected
    * @param {Number} delta
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3284,6 +3386,7 @@ module.exports = function (chai, util) {
    * @param {Number} expected
    * @param {Number} delta
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3303,6 +3406,7 @@ module.exports = function (chai, util) {
    * @param {Array} set1
    * @param {Array} set2
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3322,6 +3426,7 @@ module.exports = function (chai, util) {
    * @param {Array} set1
    * @param {Array} set2
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3341,6 +3446,7 @@ module.exports = function (chai, util) {
    * @param {Array} superset
    * @param {Array} subset
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3348,6 +3454,27 @@ module.exports = function (chai, util) {
     new Assertion(superset, msg).to.include.members(subset);
   }
 
+  /**
+   * ### .includeDeepMembers(superset, subset, [message])
+   *
+   * Asserts that `subset` is included in `superset` - using deep equality checking.
+   * Order is not taken into account.
+   * Duplicates are ignored.
+   *
+   *     assert.includeDeepMembers([ {a: 1}, {b: 2}, {c: 3} ], [ {b: 2}, {a: 1}, {b: 2} ], 'include deep members');
+   *
+   * @name includeDeepMembers
+   * @param {Array} superset
+   * @param {Array} subset
+   * @param {String} message
+   * @namespace Assert
+   * @api public
+   */
+
+  assert.includeDeepMembers = function (superset, subset, msg) {
+    new Assertion(superset, msg).to.include.deep.members(subset);
+  }
+
   /**
    * ### .oneOf(inList, list, [message])
    *
@@ -3359,6 +3486,7 @@ module.exports = function (chai, util) {
    * @param {*} inList
    * @param {Array<*>} list
    * @param {String} message
+   * @namespace Assert
    * @api public
    */
 
@@ -3380,6 +3508,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3401,6 +3530,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3422,6 +3552,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3443,6 +3574,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3464,6 +3596,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3485,6 +3618,7 @@ module.exports = function (chai, util) {
    * @param {Object} object
    * @param {String} property name
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3504,6 +3638,7 @@ module.exports = function (chai, util) {
    *
    * @name ifError
    * @param {Object} object
+   * @namespace Assert
    * @api public
    */
 
@@ -3524,6 +3659,7 @@ module.exports = function (chai, util) {
    * @alias extensible
    * @param {Object} object
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3548,6 +3684,7 @@ module.exports = function (chai, util) {
    * @alias notExtensible
    * @param {Object} object
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3571,6 +3708,7 @@ module.exports = function (chai, util) {
    * @alias sealed
    * @param {Object} object
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3589,6 +3727,7 @@ module.exports = function (chai, util) {
    * @alias notSealed
    * @param {Object} object
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3609,6 +3748,7 @@ module.exports = function (chai, util) {
    * @alias frozen
    * @param {Object} object
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3627,6 +3767,7 @@ module.exports = function (chai, util) {
    * @alias notFrozen
    * @param {Object} object
    * @param {String} message _optional_
+   * @namespace Assert
    * @api public
    */
 
@@ -3676,6 +3817,7 @@ module.exports = function (chai, util) {
    * @param {Mixed} expected
    * @param {String} message
    * @param {String} operator
+   * @namespace Expect
    * @api public
    */
 
@@ -3740,6 +3882,7 @@ module.exports = function (chai, util) {
      * @param {Mixed} expected
      * @param {String} message
      * @param {String} operator
+     * @namespace Should
      * @api public
      */
 
@@ -3752,14 +3895,67 @@ module.exports = function (chai, util) {
       }, should.fail);
     };
 
+    /**
+     * ### .equal(actual, expected, [message])
+     *
+     * Asserts non-strict equality (`==`) of `actual` and `expected`.
+     *
+     *     should.equal(3, '3', '== coerces values to strings');
+     *
+     * @name equal
+     * @param {Mixed} actual
+     * @param {Mixed} expected
+     * @param {String} message
+     * @namespace Should
+     * @api public
+     */
+
     should.equal = function (val1, val2, msg) {
       new Assertion(val1, msg).to.equal(val2);
     };
 
+    /**
+     * ### .throw(function, [constructor/string/regexp], [string/regexp], [message])
+     *
+     * Asserts that `function` will throw an error that is an instance of
+     * `constructor`, or alternately that it will throw an error with message
+     * matching `regexp`.
+     *
+     *     should.throw(fn, 'function throws a reference error');
+     *     should.throw(fn, /function throws a reference error/);
+     *     should.throw(fn, ReferenceError);
+     *     should.throw(fn, ReferenceError, 'function throws a reference error');
+     *     should.throw(fn, ReferenceError, /function throws a reference error/);
+     *
+     * @name throw
+     * @alias Throw
+     * @param {Function} function
+     * @param {ErrorConstructor} constructor
+     * @param {RegExp} regexp
+     * @param {String} message
+     * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+     * @namespace Should
+     * @api public
+     */
+
     should.Throw = function (fn, errt, errs, msg) {
       new Assertion(fn, msg).to.Throw(errt, errs);
     };
 
+    /**
+     * ### .exist
+     *
+     * Asserts that the target is neither `null` nor `undefined`.
+     *
+     *     var foo = 'hi';
+     *
+     *     should.exist(foo, 'foo exists');
+     *
+     * @name exist
+     * @namespace Should
+     * @api public
+     */
+
     should.exist = function (val, msg) {
       new Assertion(val, msg).to.exist;
     }
@@ -3767,14 +3963,63 @@ module.exports = function (chai, util) {
     // negation
     should.not = {}
 
+    /**
+     * ### .not.equal(actual, expected, [message])
+     *
+     * Asserts non-strict inequality (`!=`) of `actual` and `expected`.
+     *
+     *     should.not.equal(3, 4, 'these numbers are not equal');
+     *
+     * @name not.equal
+     * @param {Mixed} actual
+     * @param {Mixed} expected
+     * @param {String} message
+     * @namespace Should
+     * @api public
+     */
+
     should.not.equal = function (val1, val2, msg) {
       new Assertion(val1, msg).to.not.equal(val2);
     };
 
+    /**
+     * ### .throw(function, [constructor/regexp], [message])
+     *
+     * Asserts that `function` will _not_ throw an error that is an instance of
+     * `constructor`, or alternately that it will not throw an error with message
+     * matching `regexp`.
+     *
+     *     should.not.throw(fn, Error, 'function does not throw');
+     *
+     * @name not.throw
+     * @alias not.Throw
+     * @param {Function} function
+     * @param {ErrorConstructor} constructor
+     * @param {RegExp} regexp
+     * @param {String} message
+     * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types
+     * @namespace Should
+     * @api public
+     */
+
     should.not.Throw = function (fn, errt, errs, msg) {
       new Assertion(fn, msg).to.not.Throw(errt, errs);
     };
 
+    /**
+     * ### .not.exist
+     *
+     * Asserts that the target is neither `null` nor `undefined`.
+     *
+     *     var bar = null;
+     *
+     *     should.not.exist(bar, 'bar does not exist');
+     *
+     * @name not.exist
+     * @namespace Should
+     * @api public
+     */
+
     should.not.exist = function (val, msg) {
       new Assertion(val, msg).to.not.exist;
     }
@@ -3844,6 +4089,7 @@ var call  = Function.prototype.call,
  * @param {String} name of method to add
  * @param {Function} method function to be used for `name`, when called
  * @param {Function} chainingBehavior function to be called every time the property is accessed
+ * @namespace Utils
  * @name addChainableMethod
  * @api public
  */
@@ -3932,6 +4178,7 @@ var config = require('../config');
  * @param {Object} ctx object to which the method is added
  * @param {String} name of method to add
  * @param {Function} method function to be used for name
+ * @namespace Utils
  * @name addMethod
  * @api public
  */
@@ -3978,6 +4225,7 @@ var flag = require('./flag');
  * @param {Object} ctx object to which the property is added
  * @param {String} name of property to add
  * @param {Function} getter function to be used for name
+ * @namespace Utils
  * @name addProperty
  * @api public
  */
@@ -4012,6 +4260,7 @@ module.exports = function (ctx, name, getter) {
  *
  * @param {Mixed} obj constructed Assertion
  * @param {Array} type A list of allowed types for this assertion
+ * @namespace Utils
  * @name expectTypes
  * @api public
  */
@@ -4060,6 +4309,7 @@ module.exports = function (obj, types) {
  * @param {Object} object constructed Assertion
  * @param {String} key
  * @param {Mixed} value (optional)
+ * @namespace Utils
  * @name flag
  * @api private
  */
@@ -4087,6 +4337,8 @@ module.exports = function (obj, key, value) {
  *
  * @param {Object} object (constructed Assertion)
  * @param {Arguments} chai.Assertion.prototype.assert arguments
+ * @namespace Utils
+ * @name getActual
  */
 
 module.exports = function (obj, args) {
@@ -4108,6 +4360,7 @@ module.exports = function (obj, args) {
  *
  * @param {Object} object
  * @returns {Array}
+ * @namespace Utils
  * @name getEnumerableProperties
  * @api public
  */
@@ -4150,6 +4403,7 @@ var flag = require('./flag')
  *
  * @param {Object} object (constructed Assertion)
  * @param {Arguments} chai.Assertion.prototype.assert arguments
+ * @namespace Utils
  * @name getMessage
  * @api public
  */
@@ -4165,9 +4419,9 @@ module.exports = function (obj, args) {
   if(typeof msg === "function") msg = msg();
   msg = msg || '';
   msg = msg
-    .replace(/#{this}/g, objDisplay(val))
-    .replace(/#{act}/g, objDisplay(actual))
-    .replace(/#{exp}/g, objDisplay(expected));
+    .replace(/#\{this\}/g, function () { return objDisplay(val); })
+    .replace(/#\{act\}/g, function () { return objDisplay(actual); })
+    .replace(/#\{exp\}/g, function () { return objDisplay(expected); });
 
   return flagMsg ? flagMsg + ': ' + msg : msg;
 };
@@ -4185,6 +4439,8 @@ module.exports = function (obj, args) {
  * Gets the name of a function, in a cross-browser way.
  *
  * @param {Function} a function (usually a constructor)
+ * @namespace Utils
+ * @name getName
  */
 
 module.exports = function (func) {
@@ -4220,6 +4476,7 @@ var hasProperty = require('./hasProperty');
  * @param {String} path
  * @param {Object} object
  * @returns {Object} info
+ * @namespace Utils
  * @name getPathInfo
  * @api public
  */
@@ -4342,13 +4599,14 @@ var getPathInfo = require('./getPathInfo');
  * @param {String} path
  * @param {Object} object
  * @returns {Object} value or `undefined`
+ * @namespace Utils
  * @name getPathValue
  * @api public
  */
 module.exports = function(path, obj) {
   var info = getPathInfo(path, obj);
   return info.value;
-}; 
+};
 
 },{"./getPathInfo":18}],20:[function(require,module,exports){
 /*!
@@ -4365,6 +4623,7 @@ module.exports = function(path, obj) {
  *
  * @param {Object} object
  * @returns {Array}
+ * @namespace Utils
  * @name getProperties
  * @api public
  */
@@ -4416,7 +4675,7 @@ var type = require('type-detect');
  *     hasProperty('str', obj);  // true
  *     hasProperty('constructor', obj);  // true
  *     hasProperty('bar', obj);  // false
- *     
+ *
  *     hasProperty('length', obj.str); // true
  *     hasProperty(1, obj.str);  // true
  *     hasProperty(5, obj.str);  // false
@@ -4428,6 +4687,7 @@ var type = require('type-detect');
  * @param {Objuect} object
  * @param {String|Number} name
  * @returns {Boolean} whether it exists
+ * @namespace Utils
  * @name getPathInfo
  * @api public
  */
@@ -4604,6 +4864,8 @@ module.exports = inspect;
  * @param {Number} depth Depth in which to descend in object. Default is 2.
  * @param {Boolean} colors Flag to turn on ANSI escape codes to color the
  *    output. Default is false (no coloring).
+ * @namespace Utils
+ * @name inspect
  */
 function inspect(obj, showHidden, depth, colors) {
   var ctx = {
@@ -4942,6 +5204,7 @@ var config = require('../config');
  *
  * @param {Mixed} javascript object to inspect
  * @name objDisplay
+ * @namespace Utils
  * @api public
  */
 
@@ -5005,6 +5268,7 @@ module.exports = function (obj) {
  * @param {String} name of method / property to overwrite
  * @param {Function} method function that returns a function to be used for name
  * @param {Function} chainingBehavior function that returns a function to be used for property
+ * @namespace Utils
  * @name overwriteChainableMethod
  * @api public
  */
@@ -5061,6 +5325,7 @@ module.exports = function (ctx, name, method, chainingBehavior) {
  * @param {Object} ctx object whose method is to be overwritten
  * @param {String} name of method to overwrite
  * @param {Function} method function that returns a function to be used for name
+ * @namespace Utils
  * @name overwriteMethod
  * @api public
  */
@@ -5114,6 +5379,7 @@ module.exports = function (ctx, name, method) {
  * @param {Object} ctx object whose property is to be overwritten
  * @param {String} name of property to overwrite
  * @param {Function} getter function that returns a getter function to be used for name
+ * @namespace Utils
  * @name overwriteProperty
  * @api public
  */
@@ -5154,6 +5420,8 @@ var flag = require('./flag');
  *
  * @param {Object} object (constructed Assertion)
  * @param {Arguments} chai.Assertion.prototype.assert arguments
+ * @namespace Utils
+ * @name test
  */
 
 module.exports = function (obj, args) {
@@ -5187,6 +5455,7 @@ module.exports = function (obj, args) {
  * @param {Assertion} assertion the assertion to transfer the flags from
  * @param {Object} object the object to transfer the flags to; usually a new assertion
  * @param {Boolean} includeAll
+ * @namespace Utils
  * @name transferFlags
  * @api private
  */
diff --git a/node_modules/es5-shim/es5-shim.js b/node_modules/es5-shim/es5-shim.js
index 6022eee8..9a346c34 100644
--- a/node_modules/es5-shim/es5-shim.js
+++ b/node_modules/es5-shim/es5-shim.js
@@ -328,7 +328,7 @@ var arraySliceApply = apply.bind(array_slice);
 var strSlice = call.bind(StringPrototype.slice);
 var strSplit = call.bind(StringPrototype.split);
 var strIndexOf = call.bind(StringPrototype.indexOf);
-var push = call.bind(array_push);
+var pushCall = call.bind(array_push);
 var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable);
 var arraySort = call.bind(ArrayPrototype.sort);
 
@@ -384,18 +384,23 @@ var properlyBoxesContext = function properlyBoxed(method) {
     // Check node 0.6.21 bug where third parameter is not boxed
     var properlyBoxesNonStrict = true;
     var properlyBoxesStrict = true;
+    var threwException = false;
     if (method) {
-        method.call('foo', function (_, __, context) {
-            if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
-        });
+        try {
+            method.call('foo', function (_, __, context) {
+                if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
+            });
 
-        method.call([1], function () {
-            'use strict';
+            method.call([1], function () {
+                'use strict';
 
-            properlyBoxesStrict = typeof this === 'string';
-        }, 'x');
+                properlyBoxesStrict = typeof this === 'string';
+            }, 'x');
+        } catch (e) {
+            threwException = true;
+        }
     }
-    return !!method && properlyBoxesNonStrict && properlyBoxesStrict;
+    return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict;
 };
 
 defineProperties(ArrayPrototype, {
@@ -484,7 +489,7 @@ defineProperties(ArrayPrototype, {
             if (i in self) {
                 value = self[i];
                 if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) {
-                    push(result, value);
+                    pushCall(result, value);
                 }
             }
         }
@@ -739,7 +744,7 @@ defineProperties(ArrayPrototype, {
         if (arguments.length > 0 && typeof deleteCount !== 'number') {
             args = arraySlice(arguments);
             if (args.length < 2) {
-                push(args, this.length - start);
+                pushCall(args, this.length - start);
             } else {
                 args[1] = ES.ToInteger(deleteCount);
             }
@@ -1027,14 +1032,14 @@ defineProperties($Object, {
         var skipProto = hasProtoEnumBug && isFn;
         if ((isStr && hasStringEnumBug) || isArgs) {
             for (var i = 0; i < object.length; ++i) {
-                push(theKeys, $String(i));
+                pushCall(theKeys, $String(i));
             }
         }
 
         if (!isArgs) {
             for (var name in object) {
                 if (!(skipProto && name === 'prototype') && owns(object, name)) {
-                    push(theKeys, $String(name));
+                    pushCall(theKeys, $String(name));
                 }
             }
         }
@@ -1044,7 +1049,7 @@ defineProperties($Object, {
             for (var j = 0; j < dontEnumsLength; j++) {
                 var dontEnum = dontEnums[j];
                 if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) {
-                    push(theKeys, dontEnum);
+                    pushCall(theKeys, dontEnum);
                 }
             }
         }
@@ -1076,6 +1081,190 @@ defineProperties($Object, {
 // ====
 //
 
+var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() !== 0;
+var aNegativeTestDate = new Date(-1509842289600292);
+var aPositiveTestDate = new Date(1449662400000);
+var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 Jan -45875 11:59:59 GMT';
+var hasToDateStringFormatBug;
+var hasToStringFormatBug;
+var timeZoneOffset = aNegativeTestDate.getTimezoneOffset();
+if (timeZoneOffset < -720) {
+    hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue Jan 02 -45875';
+    hasToStringFormatBug = !(/^Thu Dec 10 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString());
+} else {
+    hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon Jan 01 -45875';
+    hasToStringFormatBug = !(/^Wed Dec 09 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString());
+}
+
+var originalGetFullYear = call.bind(Date.prototype.getFullYear);
+var originalGetMonth = call.bind(Date.prototype.getMonth);
+var originalGetDate = call.bind(Date.prototype.getDate);
+var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear);
+var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth);
+var originalGetUTCDate = call.bind(Date.prototype.getUTCDate);
+var originalGetUTCDay = call.bind(Date.prototype.getUTCDay);
+var originalGetUTCHours = call.bind(Date.prototype.getUTCHours);
+var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes);
+var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds);
+var originalGetUTCMilliseconds = call.bind(Date.prototype.getUTCMilliseconds);
+var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri'];
+var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+var daysInMonth = function daysInMonth(month, year) {
+    return originalGetDate(new Date(year, month, 0));
+};
+
+defineProperties(Date.prototype, {
+    getFullYear: function getFullYear() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var year = originalGetFullYear(this);
+        if (year < 0 && originalGetMonth(this) > 11) {
+            return year + 1;
+        }
+        return year;
+    },
+    getMonth: function getMonth() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var year = originalGetFullYear(this);
+        var month = originalGetMonth(this);
+        if (year < 0 && month > 11) {
+            return 0;
+        }
+        return month;
+    },
+    getDate: function getDate() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var year = originalGetFullYear(this);
+        var month = originalGetMonth(this);
+        var date = originalGetDate(this);
+        if (year < 0 && month > 11) {
+            if (month === 12) {
+                return date;
+            }
+            var days = daysInMonth(0, year + 1);
+            return (days - date) + 1;
+        }
+        return date;
+    },
+    getUTCFullYear: function getUTCFullYear() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var year = originalGetUTCFullYear(this);
+        if (year < 0 && originalGetUTCMonth(this) > 11) {
+            return year + 1;
+        }
+        return year;
+    },
+    getUTCMonth: function getUTCMonth() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var year = originalGetUTCFullYear(this);
+        var month = originalGetUTCMonth(this);
+        if (year < 0 && month > 11) {
+            return 0;
+        }
+        return month;
+    },
+    getUTCDate: function getUTCDate() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var year = originalGetUTCFullYear(this);
+        var month = originalGetUTCMonth(this);
+        var date = originalGetUTCDate(this);
+        if (year < 0 && month > 11) {
+            if (month === 12) {
+                return date;
+            }
+            var days = daysInMonth(0, year + 1);
+            return (days - date) + 1;
+        }
+        return date;
+    }
+}, hasNegativeMonthYearBug);
+
+defineProperties(Date.prototype, {
+    toUTCString: function toUTCString() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var day = originalGetUTCDay(this);
+        var date = originalGetUTCDate(this);
+        var month = originalGetUTCMonth(this);
+        var year = originalGetUTCFullYear(this);
+        var hour = originalGetUTCHours(this);
+        var minute = originalGetUTCMinutes(this);
+        var second = originalGetUTCSeconds(this);
+        return dayName[day] + ', ' +
+            (date < 10 ? '0' + date : date) + ' ' +
+            monthName[month] + ' ' +
+            year + ' ' +
+            (hour < 10 ? '0' + hour : hour) + ':' +
+            (minute < 10 ? '0' + minute : minute) + ':' +
+            (second < 10 ? '0' + second : second) + ' GMT';
+    }
+}, hasNegativeMonthYearBug || hasToUTCStringFormatBug);
+
+// Opera 12 has `,`
+defineProperties(Date.prototype, {
+    toDateString: function toDateString() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var day = this.getDay();
+        var date = this.getDate();
+        var month = this.getMonth();
+        var year = this.getFullYear();
+        return dayName[day] + ' ' +
+            monthName[month] + ' ' +
+            (date < 10 ? '0' + date : date) + ' ' +
+            year;
+    }
+}, hasNegativeMonthYearBug || hasToDateStringFormatBug);
+
+// can't use defineProperties here because of toString enumeration issue in IE <= 8
+if (hasNegativeMonthYearBug || hasToStringFormatBug) {
+    Date.prototype.toString = function toString() {
+        if (!this || !(this instanceof Date)) {
+            throw new TypeError('this is not a Date object.');
+        }
+        var day = this.getDay();
+        var date = this.getDate();
+        var month = this.getMonth();
+        var year = this.getFullYear();
+        var hour = this.getHours();
+        var minute = this.getMinutes();
+        var second = this.getSeconds();
+        var timezoneOffset = this.getTimezoneOffset();
+        var hoursOffset = Math.floor(Math.abs(timezoneOffset) / 60);
+        var minutesOffset = Math.floor(Math.abs(timezoneOffset) % 60);
+        return dayName[day] + ' ' +
+            monthName[month] + ' ' +
+            (date < 10 ? '0' + date : date) + ' ' +
+            year + ' ' +
+            (hour < 10 ? '0' + hour : hour) + ':' +
+            (minute < 10 ? '0' + minute : minute) + ':' +
+            (second < 10 ? '0' + second : second) + ' GMT' +
+            (timezoneOffset > 0 ? '-' : '+') +
+            (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset) +
+            (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset);
+    };
+    if (supportsDescriptors) {
+        $Object.defineProperty(Date.prototype, 'toString', {
+            configurable: true,
+            enumerable: false,
+            writable: true
+        });
+    }
+}
+
 // ES5 15.9.5.43
 // http://es5.github.com/#x15.9.5.43
 // This function returns a String value represent the instance in time
@@ -1090,39 +1279,33 @@ var hasSafari51DateBug = Date.prototype.toISOString && new Date(-1).toISOString(
 
 defineProperties(Date.prototype, {
     toISOString: function toISOString() {
-        var result, length, value, year, month;
         if (!isFinite(this)) {
             throw new RangeError('Date.prototype.toISOString called on non-finite value.');
         }
 
-        year = this.getUTCFullYear();
+        var year = originalGetUTCFullYear(this);
 
-        month = this.getUTCMonth();
+        var month = originalGetUTCMonth(this);
         // see https://github.com/es-shims/es5-shim/issues/111
         year += Math.floor(month / 12);
         month = (month % 12 + 12) % 12;
 
         // the date time string format is specified in 15.9.1.15.
-        result = [month + 1, this.getUTCDate(), this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds()];
+        var result = [month + 1, originalGetUTCDate(this), originalGetUTCHours(this), originalGetUTCMinutes(this), originalGetUTCSeconds(this)];
         year = (
             (year < 0 ? '-' : (year > 9999 ? '+' : '')) +
             strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) ? -4 : -6)
         );
 
-        length = result.length;
-        while (length--) {
-            value = result[length];
-            // pad months, days, hours, minutes, and seconds to have two
-            // digits.
-            if (value < 10) {
-                result[length] = '0' + value;
-            }
+        for (var i = 0; i < result.length; ++i) {
+          // pad months, days, hours, minutes, and seconds to have two digits.
+          result[i] = strSlice('00' + result[i], -2);
         }
         // pad milliseconds to have three digits.
         return (
             year + '-' + arraySlice(result, 0, 2).join('-') +
             'T' + arraySlice(result, 2).join(':') + '.' +
-            strSlice('000' + this.getUTCMilliseconds(), -3) + 'Z'
+            strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z'
         );
     }
 }, hasNegativeDateBug || hasSafari51DateBug);
@@ -1600,7 +1783,7 @@ if (
                 // `separatorCopy.lastIndex` is not reliable cross-browser
                 lastIndex = match.index + match[0].length;
                 if (lastIndex > lastLastIndex) {
-                    push(output, strSlice(string, lastLastIndex, match.index));
+                    pushCall(output, strSlice(string, lastLastIndex, match.index));
                     // Fix browsers whose `exec` methods don't consistently return `undefined` for
                     // nonparticipating capturing groups
                     if (!compliantExecNpcg && match.length > 1) {
@@ -1630,12 +1813,12 @@ if (
             }
             if (lastLastIndex === string.length) {
                 if (lastLength || !separatorCopy.test('')) {
-                    push(output, '');
+                    pushCall(output, '');
                 }
             } else {
-                push(output, strSlice(string, lastLastIndex));
+                pushCall(output, strSlice(string, lastLastIndex));
             }
-            return output.length > splitLimit ? strSlice(output, 0, splitLimit) : output;
+            return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output;
         };
     }());
 
@@ -1656,7 +1839,7 @@ var str_replace = StringPrototype.replace;
 var replaceReportsGroupsCorrectly = (function () {
     var groups = [];
     'x'.replace(/x(.)?/g, function (match, group) {
-        push(groups, group);
+        pushCall(groups, group);
     });
     return groups.length === 1 && typeof groups[0] === 'undefined';
 }());
@@ -1674,7 +1857,7 @@ if (!replaceReportsGroupsCorrectly) {
                 searchValue.lastIndex = 0;
                 var args = searchValue.exec(match) || [];
                 searchValue.lastIndex = originalLastIndex;
-                push(args, arguments[length - 2], arguments[length - 1]);
+                pushCall(args, arguments[length - 2], arguments[length - 1]);
                 return replaceValue.apply(this, args);
             };
             return str_replace.call(this, searchValue, wrappedReplaceValue);
@@ -1719,6 +1902,7 @@ defineProperties(StringPrototype, {
         return $String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
     }
 }, hasTrimWhitespaceBug);
+var trim = call.bind(String.prototype.trim);
 
 var hasLastIndexBug = StringPrototype.lastIndexOf && 'abcあい'.lastIndexOf('あい', 2) !== -1;
 defineProperties(StringPrototype, {
@@ -1759,13 +1943,25 @@ if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) {
     parseInt = (function (origParseInt) {
         var hexRegex = /^[\-+]?0[xX]/;
         return function parseInt(str, radix) {
-            var string = $String(str).trim();
+            var string = trim(str);
             var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10);
             return origParseInt(string, defaultedRadix);
         };
     }(parseInt));
 }
 
+// https://es5.github.io/#x15.1.2.3
+if (1 / parseFloat('-0') !== -Infinity) {
+    /* global parseFloat: true */
+    parseFloat = (function (origParseFloat) {
+        return function parseFloat(string) {
+            var inputString = trim(string);
+            var result = origParseFloat(inputString);
+            return result === 0 && strSlice(inputString, 0, 1) === '-' ? -0 : result;
+        };
+    }(parseFloat));
+}
+
 if (String(new RangeError('test')) !== 'RangeError: test') {
     var errorToStringShim = function toString() {
         if (typeof this === 'undefined' || this === null) {
diff --git a/node_modules/mocha/mocha.js b/node_modules/mocha/mocha.js
index 84c384bd..19561978 100644
--- a/node_modules/mocha/mocha.js
+++ b/node_modules/mocha/mocha.js
@@ -419,6 +419,21 @@ Context.prototype.skip = function() {
   return this;
 };
 
+/**
+ * Allow a number of retries on failed tests
+ *
+ * @api private
+ * @param {number} n
+ * @return {Context} self
+ */
+Context.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this.runnable().retries();
+  }
+  this.runnable().retries(n);
+  return this;
+};
+
 /**
  * Inspect the context void of `._runnable`.
  *
@@ -559,7 +574,7 @@ module.exports = function(suite) {
      * acting as a thunk.
      */
 
-    context.it = context.specify = function(title, fn) {
+    var it = context.it = context.specify = function(title, fn) {
       var suite = suites[0];
       if (suite.pending) {
         fn = null;
@@ -575,7 +590,7 @@ module.exports = function(suite) {
      */
 
     context.it.only = function(title, fn) {
-      var test = context.it(title, fn);
+      var test = it(title, fn);
       var reString = '^' + escapeRe(test.fullTitle()) + '$';
       mocha.grep(new RegExp(reString));
       return test;
@@ -588,6 +603,13 @@ module.exports = function(suite) {
     context.xit = context.xspecify = context.it.skip = function(title) {
       context.it(title);
     };
+
+    /**
+     * Number of attempts to retry.
+     */
+    context.it.retries = function(n) {
+      context.retries(n);
+    };
   });
 };
 
@@ -664,6 +686,15 @@ module.exports = function(suites, context) {
        */
       skip: function(title) {
         context.test(title);
+      },
+
+      /**
+       * Number of retry attempts
+       *
+       * @param {string} n
+       */
+      retries: function(n) {
+        context.retries(n);
       }
     }
   };
@@ -725,7 +756,7 @@ module.exports = function(suite) {
       } else {
         suite = Suite.create(suites[0], key);
         suites.unshift(suite);
-        visit(obj[key]);
+        visit(obj[key], file);
         suites.shift();
       }
     }
@@ -830,6 +861,7 @@ module.exports = function(suite) {
     };
 
     context.test.skip = common.test.skip;
+    context.test.retries = common.test.retries;
   });
 };
 
@@ -937,6 +969,7 @@ module.exports = function(suite) {
     };
 
     context.test.skip = common.test.skip;
+    context.test.retries = common.test.retries;
   });
 };
 
@@ -1006,6 +1039,7 @@ function image(name) {
  *   - `reporter` reporter instance, defaults to `mocha.reporters.spec`
  *   - `globals` array of accepted globals
  *   - `timeout` timeout in milliseconds
+ *   - `retries` number of times to retry failed tests
  *   - `bail` bail on the first test failure
  *   - `slow` milliseconds to wait before considering a test slow
  *   - `ignoreLeaks` ignore global leaks
@@ -1032,6 +1066,9 @@ function Mocha(options) {
   if (typeof options.timeout !== 'undefined' && options.timeout !== null) {
     this.timeout(options.timeout);
   }
+  if (typeof options.retries !== 'undefined' && options.retries !== null) {
+    this.retries(options.retries);
+  }
   this.useColors(options.useColors);
   if (options.enableTimeouts !== null) {
     this.enableTimeouts(options.enableTimeouts);
@@ -1153,14 +1190,13 @@ Mocha.prototype.ui = function(name) {
 Mocha.prototype.loadFiles = function(fn) {
   var self = this;
   var suite = this.suite;
-  var pending = this.files.length;
   this.files.forEach(function(file) {
     file = path.resolve(file);
     suite.emit('pre-require', global, file, self);
     suite.emit('require', require(file), file, self);
     suite.emit('post-require', global, file, self);
-    --pending || (fn && fn());
   });
+  fn && fn();
 };
 
 /**
@@ -1316,6 +1352,18 @@ Mocha.prototype.timeout = function(timeout) {
   return this;
 };
 
+/**
+ * Set the number of times to retry failed tests.
+ *
+ * @param {Number} retry times
+ * @return {Mocha}
+ * @api public
+ */
+Mocha.prototype.retries = function(n) {
+  this.suite.retries(n);
+  return this;
+};
+
 /**
  * Set slowness threshold in milliseconds.
  *
@@ -2121,13 +2169,13 @@ function Doc(runner) {
 
   runner.on('pass', function(test) {
     console.log('%s  <dt>%s</dt>', indent(), utils.escape(test.title));
-    var code = utils.escape(utils.clean(test.fn.toString()));
+    var code = utils.escape(utils.clean(test.body));
     console.log('%s  <dd><pre><code>%s</code></pre></dd>', indent(), code);
   });
 
   runner.on('fail', function(test, err) {
     console.log('%s  <dt class="error">%s</dt>', indent(), utils.escape(test.title));
-    var code = utils.escape(utils.clean(test.fn.toString()));
+    var code = utils.escape(utils.clean(test.fn.body));
     console.log('%s  <dd class="error"><pre><code>%s</code></pre></dd>', indent(), code);
     console.log('%s  <dd class="error">%s</dd>', indent(), utils.escape(err));
   });
@@ -2396,7 +2444,10 @@ function HTML(runner) {
   });
 
   runner.on('fail', function(test) {
-    if (test.type === 'hook') {
+    // For type = 'test' its possible that the test failed due to multiple
+    // done() calls. So report the issue here.
+    if (test.type === 'hook'
+      || test.type === 'test') {
       runner.emit('test end', test);
     }
   });
@@ -2464,7 +2515,7 @@ function HTML(runner) {
         pre.style.display = pre.style.display === 'none' ? 'block' : 'none';
       });
 
-      var pre = fragment('<pre><code>%e</code></pre>', utils.clean(test.fn.toString()));
+      var pre = fragment('<pre><code>%e</code></pre>', utils.clean(test.body));
       el.appendChild(pre);
       pre.style.display = 'none';
     }
@@ -2762,6 +2813,7 @@ function coverage(filename, data) {
 function clean(test) {
   return {
     duration: test.duration,
+    currentRetry: test.currentRetry(),
     fullTitle: test.fullTitle(),
     title: test.title
   };
@@ -2826,7 +2878,8 @@ function clean(test) {
   return {
     title: test.title,
     fullTitle: test.fullTitle(),
-    duration: test.duration
+    duration: test.duration,
+    currentRetry: test.currentRetry()
   };
 }
 
@@ -2904,6 +2957,7 @@ function clean(test) {
     title: test.title,
     fullTitle: test.fullTitle(),
     duration: test.duration,
+    currentRetry: test.currentRetry(),
     err: errorJSON(test.err || {})
   };
 }
@@ -3171,7 +3225,7 @@ function Markdown(runner) {
   });
 
   runner.on('pass', function(test) {
-    var code = utils.clean(test.fn.toString());
+    var code = utils.clean(test.body);
     buf += test.title + '.\n';
     buf += '\n```js\n';
     buf += code + '\n';
@@ -3740,7 +3794,7 @@ function title(test) {
 }
 
 },{"./base":17}],34:[function(require,module,exports){
-(function (global){
+(function (process,global){
 /**
  * Module dependencies.
  */
@@ -3750,6 +3804,8 @@ var utils = require('../utils');
 var inherits = utils.inherits;
 var fs = require('fs');
 var escape = utils.escape;
+var mkdirp = require('mkdirp');
+var path = require('path');
 
 /**
  * Save timer references to avoid Sinon interfering (see GH-237).
@@ -3786,6 +3842,7 @@ function XUnit(runner, options) {
     if (!fs.createWriteStream) {
       throw new Error('file output not supported in browser');
     }
+    mkdirp.sync(path.dirname(options.reporterOptions.output));
     self.fileStream = fs.createWriteStream(options.reporterOptions.output);
   }
 
@@ -3849,6 +3906,8 @@ XUnit.prototype.done = function(failures, fn) {
 XUnit.prototype.write = function(line) {
   if (this.fileStream) {
     this.fileStream.write(line + '\n');
+  } else if (typeof process === 'object' && process.stdout) {
+    process.stdout.write(line + '\n');
   } else {
     console.log(line);
   }
@@ -3911,8 +3970,8 @@ function cdata(str) {
   return '<![CDATA[' + escape(str) + ']]>';
 }
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"../utils":39,"./base":17,"fs":41}],35:[function(require,module,exports){
+}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"../utils":39,"./base":17,"_process":51,"fs":41,"mkdirp":70,"path":41}],35:[function(require,module,exports){
 (function (global){
 /**
  * Module dependencies.
@@ -3968,6 +4027,8 @@ function Runnable(title, fn) {
   this._enableTimeouts = true;
   this.timedOut = false;
   this._trace = new Error('done() called multiple times');
+  this._retries = -1;
+  this._currentRetry = 0;
 }
 
 /**
@@ -4044,6 +4105,30 @@ Runnable.prototype.skip = function() {
   throw new Pending();
 };
 
+/**
+ * Set number of retries.
+ *
+ * @api private
+ */
+Runnable.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this._retries;
+  }
+  this._retries = n;
+};
+
+/**
+ * Get current retry
+ *
+ * @api private
+ */
+Runnable.prototype.currentRetry = function(n) {
+  if (!arguments.length) {
+    return this._currentRetry;
+  }
+  this._currentRetry = n;
+};
+
 /**
  * Return the full title generated by recursively concatenating the parent's
  * full title.
@@ -4114,6 +4199,9 @@ Runnable.prototype.resetTimeout = function() {
  * @param {string[]} globals
  */
 Runnable.prototype.globals = function(globals) {
+  if (!arguments.length) {
+    return this._allowedGlobals;
+  }
   this._allowedGlobals = globals;
 };
 
@@ -4205,6 +4293,9 @@ Runnable.prototype.run = function(fn) {
       result
         .then(function() {
           done();
+          // Return null so libraries like bluebird do not warn about
+          // subsequently constructed Promises.
+          return null;
         },
         function(reason) {
           done(reason || new Error('Promise rejected with no or falsy reason'));
@@ -4255,6 +4346,7 @@ var stackFilter = utils.stackTraceFilter();
 var stringify = utils.stringify;
 var type = utils.type;
 var undefinedError = utils.undefinedError;
+var isArray = utils.isArray;
 
 /**
  * Non-enumerable globals.
@@ -4746,8 +4838,12 @@ Runner.prototype.runTests = function(suite, fn) {
       return;
     }
 
+    function parentPending(suite) {
+      return suite.pending || (suite.parent && parentPending(suite.parent));
+    }
+
     // pending
-    if (test.pending) {
+    if (test.pending || parentPending(test.parent)) {
       self.emit('pending', test);
       self.emit('test end', test);
       return next();
@@ -4767,10 +4863,19 @@ Runner.prototype.runTests = function(suite, fn) {
       self.currentRunnable = self.test;
       self.runTest(function(err) {
         test = self.test;
-
         if (err) {
+          var retry = test.currentRetry();
           if (err instanceof Pending) {
+            test.pending = true;
             self.emit('pending', test);
+          } else if (retry < test.retries()) {
+            var clonedTest = test.clone();
+            clonedTest.currentRetry(retry + 1);
+            tests.unshift(clonedTest);
+
+            // Early return + hook trigger so that it doesn't
+            // increment the count wrong
+            return self.hookUp('afterEach', next);
           } else {
             self.fail(test, err);
           }
@@ -4861,6 +4966,10 @@ Runner.prototype.runSuite = function(suite, fn) {
       // mark that the afterAll block has been called once
       // and so can be skipped if there is an error in it.
       afterAllHookCalled = true;
+
+      // remove reference to test
+      delete self.test;
+
       self.hook('afterAll', function() {
         self.emit('suite end', suite);
         fn(errSuite);
@@ -4947,6 +5056,44 @@ Runner.prototype.uncaught = function(err) {
   this.emit('end');
 };
 
+/**
+ * Cleans up the references to all the deferred functions
+ * (before/after/beforeEach/afterEach) and tests of a Suite.
+ * These must be deleted otherwise a memory leak can happen,
+ * as those functions may reference variables from closures,
+ * thus those variables can never be garbage collected as long
+ * as the deferred functions exist.
+ *
+ * @param {Suite} suite
+ */
+function cleanSuiteReferences(suite) {
+  function cleanArrReferences(arr) {
+    for (var i = 0; i < arr.length; i++) {
+      delete arr[i].fn;
+    }
+  }
+
+  if (isArray(suite._beforeAll)) {
+    cleanArrReferences(suite._beforeAll);
+  }
+
+  if (isArray(suite._beforeEach)) {
+    cleanArrReferences(suite._beforeEach);
+  }
+
+  if (isArray(suite._afterAll)) {
+    cleanArrReferences(suite._afterAll);
+  }
+
+  if (isArray(suite._afterEach)) {
+    cleanArrReferences(suite._afterEach);
+  }
+
+  for (var i = 0; i < suite.tests.length; i++) {
+    delete suite.tests[i].fn;
+  }
+}
+
 /**
  * Run the root suite and invoke `fn(failures)`
  * on completion.
@@ -4978,6 +5125,9 @@ Runner.prototype.run = function(fn) {
 
   debug('start');
 
+  // references cleanup to avoid memory leaks
+  this.on('suite end', cleanSuiteReferences);
+
   // callback
   this.on('end', function() {
     debug('end');
@@ -5143,6 +5293,7 @@ function Suite(title, parentContext) {
   this._enableTimeouts = true;
   this._slow = 75;
   this._bail = false;
+  this._retries = -1;
   this.delayed = false;
 }
 
@@ -5162,6 +5313,7 @@ Suite.prototype.clone = function() {
   debug('clone');
   suite.ctx = this.ctx;
   suite.timeout(this.timeout());
+  suite.retries(this.retries());
   suite.enableTimeouts(this.enableTimeouts());
   suite.slow(this.slow());
   suite.bail(this.bail());
@@ -5190,6 +5342,22 @@ Suite.prototype.timeout = function(ms) {
   return this;
 };
 
+/**
+ * Set number of times to retry a failed test.
+ *
+ * @api private
+ * @param {number|string} n
+ * @return {Suite|number} for chaining
+ */
+Suite.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this._retries;
+  }
+  debug('retries %d', n);
+  this._retries = parseInt(n, 10) || 0;
+  return this;
+};
+
 /**
   * Set timeout to `enabled`.
   *
@@ -5262,6 +5430,7 @@ Suite.prototype.beforeAll = function(title, fn) {
   var hook = new Hook(title, fn);
   hook.parent = this;
   hook.timeout(this.timeout());
+  hook.retries(this.retries());
   hook.enableTimeouts(this.enableTimeouts());
   hook.slow(this.slow());
   hook.ctx = this.ctx;
@@ -5291,6 +5460,7 @@ Suite.prototype.afterAll = function(title, fn) {
   var hook = new Hook(title, fn);
   hook.parent = this;
   hook.timeout(this.timeout());
+  hook.retries(this.retries());
   hook.enableTimeouts(this.enableTimeouts());
   hook.slow(this.slow());
   hook.ctx = this.ctx;
@@ -5320,6 +5490,7 @@ Suite.prototype.beforeEach = function(title, fn) {
   var hook = new Hook(title, fn);
   hook.parent = this;
   hook.timeout(this.timeout());
+  hook.retries(this.retries());
   hook.enableTimeouts(this.enableTimeouts());
   hook.slow(this.slow());
   hook.ctx = this.ctx;
@@ -5349,6 +5520,7 @@ Suite.prototype.afterEach = function(title, fn) {
   var hook = new Hook(title, fn);
   hook.parent = this;
   hook.timeout(this.timeout());
+  hook.retries(this.retries());
   hook.enableTimeouts(this.enableTimeouts());
   hook.slow(this.slow());
   hook.ctx = this.ctx;
@@ -5367,6 +5539,7 @@ Suite.prototype.afterEach = function(title, fn) {
 Suite.prototype.addSuite = function(suite) {
   suite.parent = this;
   suite.timeout(this.timeout());
+  suite.retries(this.retries());
   suite.enableTimeouts(this.enableTimeouts());
   suite.slow(this.slow());
   suite.bail(this.bail());
@@ -5385,6 +5558,7 @@ Suite.prototype.addSuite = function(suite) {
 Suite.prototype.addTest = function(test) {
   test.parent = this;
   test.timeout(this.timeout());
+  test.retries(this.retries());
   test.enableTimeouts(this.enableTimeouts());
   test.slow(this.slow());
   test.ctx = this.ctx;
@@ -5472,6 +5646,7 @@ function Test(title, fn) {
   Runnable.call(this, title, fn);
   this.pending = !fn;
   this.type = 'test';
+  this.body = (fn || '').toString();
 }
 
 /**
@@ -5479,6 +5654,20 @@ function Test(title, fn) {
  */
 inherits(Test, Runnable);
 
+Test.prototype.clone = function() {
+  var test = new Test(this.title, this.fn);
+  test.timeout(this.timeout());
+  test.slow(this.slow());
+  test.enableTimeouts(this.enableTimeouts());
+  test.retries(this.retries());
+  test.currentRetry(this.currentRetry());
+  test.globals(this.globals());
+  test.parent = this.parent;
+  test.file = this.file;
+  test.ctx = this.ctx;
+  return test;
+};
+
 },{"./runnable":35,"./utils":39}],39:[function(require,module,exports){
 (function (process,Buffer){
 /* eslint-env browser */
@@ -5670,6 +5859,8 @@ var isArray = typeof Array.isArray === 'function' ? Array.isArray : function(obj
   return Object.prototype.toString.call(obj) === '[object Array]';
 };
 
+exports.isArray = isArray;
+
 /**
  * Buffer.prototype.toJSON polyfill.
  *
@@ -5744,7 +5935,7 @@ exports.slug = function(str) {
 exports.clean = function(str) {
   str = str
     .replace(/\r\n?|[\n\u2028\u2029]/g, '\n').replace(/^\uFEFF/, '')
-    .replace(/^function *\(.*\)\s*{|\(.*\) *=> *{?/, '')
+    .replace(/^function *\(.*\)\s*\{|\(.*\) *=> *\{?/, '')
     .replace(/\s+\}$/, '');
 
   var spaces = str.match(/^\n?( *)/)[1].length;
@@ -6081,7 +6272,7 @@ exports.canonicalize = function(value, stack) {
       canonicalizedObj = value;
       break;
     default:
-      canonicalizedObj = value.toString();
+      canonicalizedObj = value + '';
   }
 
   return canonicalizedObj;
@@ -12250,6 +12441,108 @@ function growl(msg, options, fn) {
 
 }).call(this,require('_process'))
 },{"_process":51,"child_process":41,"fs":41,"os":50,"path":41}],70:[function(require,module,exports){
+(function (process){
+var path = require('path');
+var fs = require('fs');
+var _0777 = parseInt('0777', 8);
+
+module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP;
+
+function mkdirP (p, opts, f, made) {
+    if (typeof opts === 'function') {
+        f = opts;
+        opts = {};
+    }
+    else if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777 & (~process.umask());
+    }
+    if (!made) made = null;
+    
+    var cb = f || function () {};
+    p = path.resolve(p);
+    
+    xfs.mkdir(p, mode, function (er) {
+        if (!er) {
+            made = made || p;
+            return cb(null, made);
+        }
+        switch (er.code) {
+            case 'ENOENT':
+                mkdirP(path.dirname(p), opts, function (er, made) {
+                    if (er) cb(er, made);
+                    else mkdirP(p, opts, cb, made);
+                });
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                xfs.stat(p, function (er2, stat) {
+                    // if the stat fails, then that's super weird.
+                    // let the original error be the failure reason.
+                    if (er2 || !stat.isDirectory()) cb(er, made)
+                    else cb(null, made);
+                });
+                break;
+        }
+    });
+}
+
+mkdirP.sync = function sync (p, opts, made) {
+    if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777 & (~process.umask());
+    }
+    if (!made) made = null;
+
+    p = path.resolve(p);
+
+    try {
+        xfs.mkdirSync(p, mode);
+        made = made || p;
+    }
+    catch (err0) {
+        switch (err0.code) {
+            case 'ENOENT' :
+                made = sync(path.dirname(p), opts, made);
+                sync(p, opts, made);
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                var stat;
+                try {
+                    stat = xfs.statSync(p);
+                }
+                catch (err1) {
+                    throw err0;
+                }
+                if (!stat.isDirectory()) throw err0;
+                break;
+        }
+    }
+
+    return made;
+};
+
+}).call(this,require('_process'))
+},{"_process":51,"fs":41,"path":41}],71:[function(require,module,exports){
 (function (process,global){
 /**
  * Shim process.stdout.
@@ -12410,8 +12703,8 @@ Mocha.process = process;
  * Expose mocha.
  */
 
-window.Mocha = Mocha;
-window.mocha = mocha;
+global.Mocha = Mocha;
+global.mocha = mocha;
 
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"../":1,"_process":51,"browser-stdout":40}]},{},[70]);
+},{"../":1,"_process":51,"browser-stdout":40}]},{},[71]);
diff --git a/package.json b/package.json
index 50f064ad..c601a532 100644
--- a/package.json
+++ b/package.json
@@ -67,17 +67,17 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "chai": "^3.4.1",
-    "es5-shim": "^4.4.1",
+    "chai": "^3.5.0",
+    "es5-shim": "^4.5.2",
     "eslint": "^1.10.3",
     "@ljharb/eslint-config": "^1.6.1",
     "grunt": "^0.4.5",
     "grunt-contrib-connect": "^0.11.2",
     "grunt-contrib-watch": "^0.6.1",
     "grunt-saucelabs": "^8.6.2",
-    "jscs": "^2.8.0",
+    "jscs": "^2.9.0",
     "jshint": "^2.9.1",
-    "mocha": "^2.3.4",
+    "mocha": "^2.4.5",
     "promises-aplus-tests": "^2.1.1",
     "promises-es6-tests": "^0.5.0",
     "uglify-js": "^2.6.1",