Physics-editor-sample is a simple cocos2d loader for the [Physics-editor.](http://code.google.com/p/box2d-editor/)
The loader currently only works with box2d, but it shouldn't be hard to change out the box2d specific code with 
Chipmunk.
Physics-editor-sample is a simple cocos2d loader for the [Physics-editor(version 2.0).](http://code.google.com/p/box2d-editor/)
The loader currently only works with box2d, but it shouldn't be hard to change out the box2d specific code with 
Chipmunk.

Update readme to include PB version number.
Update readme to include PB version number.
