First draft of SimObject and siblings
Moves subclass code to other files. Renamed Obstacle to Polygon
Fixed some problems in pose
Fixed syntax errors
Test (incomplete) implementation of the Khepera3
Merge branch 'test' of https://github.com/whittenjaw85/pysimiam into simobject
Merge branch 'simobject' of github.com:whittenjaw85/pysimiam