ryanza/stateflow — pull request #37 by jamesotron (2013-01-15 09:24:19+00:00)
Title: Stop subclasses of stateflow'd classes from exploding.

The way that stateflow was looking on the immediate class for a Machine was causing things to explode when being subclassed. Searching the ancestor chain for functioning Machines means that subclasses can inherit their superclasses' state machines.