Add in feature to use a callback with the jsapi for calling google.load
Bump version to 0.6.3
Only add the event listeners if they have an actual value.
Update gitignore to ignore zip/sha1 and the stacktrace.log
Fix ObjectRenderer to properly filter class and metaClass properties.  Also a new unit test is added which throws a StackOverflowError if the fix is not in place.
Removed unused import
Merge branch 'anarcticpuffin-master'
Merged devishacks-master