upgrade to coffeescript 2.2.4

Cakefile

@@ -4,6 +4,6 @@ prodCoffeeOpts = " --bare --output lib --compile src/tail.coffee"
 
 task 'build', 'generate lib package', (options) ->
   fs.unlink "lib",->
-    exec  "./node_modules/coffee-script/bin/coffee #{prodCoffeeOpts}",(err, stdout, stderr) ->
+    exec  "./node_modules/coffeescript/bin/coffee #{prodCoffeeOpts}",(err, stdout, stderr) ->
       throw err if err
       console.log("done.")

package.json

@@ -21,7 +21,7 @@
   "dependencies": {},
   "devDependencies": {
     "chai": "^3.2.0",
-    "coffee-script": "1.10.0",
+    "coffeescript": "2.2.4",
     "mocha": "^3.0.2"
   }
 }

src/tail.coffee

@@ -21,7 +21,9 @@ class Tail extends events.EventEmitter
           @buffer = parts.pop()
           @emit("line", chunk) for chunk in parts
 
-  constructor:(@filename, options = {}) ->
+  constructor:(filename, options = {}) ->
+    super filename, options
+    @filename = filename 
     {@separator = /[\r]{0,1}\n/,  @fsWatchOptions = {}, @fromBeginning = false, @follow = true, @logger, @useWatchFile = false, @encoding = "utf-8"} = options
 
     if @logger 

test/mocha.opts

@@ -1 +1 @@
---compilers mocha --compilers coffee:coffee-script/register --timeout 3000
+--compilers mocha --compilers coffee:coffeescript/register --timeout 3000