[chore] Bump dependencies (#498)

Author: darrachequesne

package.json

@@ -28,23 +28,23 @@
     "accepts": "1.3.3",
     "base64id": "1.0.0",
     "debug": "2.3.3",
-    "engine.io-parser": "2.0.2",
-    "ws": "2.2.0",
+    "engine.io-parser": "2.0.3",
+    "ws": "2.2.3",
     "cookie": "0.3.1"
   },
   "devDependencies": {
     "babel-eslint": "5.0.0",
-    "babel-preset-es2015": "6.3.13",
+    "babel-preset-es2015": "^6.24.0",
     "engine.io-client": "2.1.1",
     "eslint-config-standard": "4.4.0",
     "eslint-plugin-standard": "1.3.2",
-    "expect.js": "0.2.0",
-    "gulp": "3.9.0",
-    "gulp-babel": "6.1.1",
+    "expect.js": "^0.3.1",
+    "gulp": "^3.9.1",
+    "gulp-babel": "^6.1.2",
     "gulp-eslint": "1.1.1",
-    "gulp-mocha": "2.2.0",
+    "gulp-mocha": "^4.3.0",
     "gulp-nsp": "^2.4.1",
-    "mocha": "2.3.4",
+    "mocha": "^3.2.0",
     "s": "0.1.1",
     "superagent": "0.15.4"
   },