Changes in preparation for Coffeescript 2. #829

src/classes/Callbacks.coffee

@@ -11,7 +11,7 @@ class Callbacks
     @keys.push name unless @[name]
     @[name] = cb
 
-  execute: (node, keys=@keys, force) ->
+  execute: (node, keys=@keys, force=false) ->
     return if node.callbacksExecuted and !force
     node.callbacksExecuted = true
     for name in keys

src/classes/Post.Clone.coffee

@@ -1,7 +1,12 @@
 Post.Clone = class extends Post
   isClone: true
 
-  constructor: (@origin, @context, contractThumb) ->
+  constructor: ->
+    that = Object.create(Post.Clone.prototype)
+    that.construct arguments...
+    return that
+
+  construct: (@origin, @context, contractThumb) ->
     for key in ['ID', 'postID', 'threadID', 'boardID', 'siteID', 'fullID', 'board', 'thread', 'info', 'quotes', 'isReply']
       # Copy or point to the origin's key value.
       @[key] = @origin[key]