added children macro to Node, using it so that all nodes now have a 'children' method -- used for safe references to 'this' within closure wrappers

test/fixtures/execution/test_functions.coffee

@@ -19,4 +19,22 @@ obj: {
 }
 
 obj.unbound()
-obj.bound()
+obj.bound()
+
+
+# When when a closure wrapper is generated for expression conversion, make sure
+# that references to "this" within the wrapper are safely converted as well.
+
+obj: {
+  num: 5
+  func: =>
+    this.result: if false
+      10
+    else
+      "a"
+      "b"
+      this.num
+}
+
+print(obj.num is obj.func())
+print(obj.num is obj.result)