Removing the notion of a ThisNode so that we don't have to worry about the special cases. Fixes Issue 180

src/nodes.coffee

@@ -240,7 +240,7 @@ ValueNode: exports.ValueNode: inherit Node, {
     this
 
   has_properties: ->
-    @properties.length or @base instanceof ThisNode
+    !!@properties.length
 
   is_array: ->
     @base instanceof ArrayNode and not @has_properties()
@@ -423,19 +423,6 @@ IndexNode: exports.IndexNode: inherit Node, {
 
 }
 
-# A this-reference, using '@'.
-ThisNode: exports.ThisNode: inherit Node, {
-  type: 'This'
-
-  constructor: (property) ->
-    @property: property or null
-    this
-
-  compile_node: (o) ->
-    'this' + (if @property then '.' + @property.compile(o) else '')
-
-}
-
 # A range literal. Ranges can be used to extract portions (slices) of arrays,
 # or to specify a range for list comprehensions.
 RangeNode: exports.RangeNode: inherit Node, {