STATE_TRANSITIONS dictionary values are changed to strings.
Our assumption that Python's functions and methods are first class members
and using the method names directly as dictionary values doesn't seem to
work. So we are using method names as strings in STATE_TRANSITIONS
dictionary and getting the method object using getattr.
A list of bugs is available in the Google App Engine SDK project on Google Code.
The issue tracker is at http://code.google.com/p/googleappengine/issues/.