The game objects and camera are now wrapped inside the World object. All camera and object updates are now done inside the World object.
Added the Megaman shooting animation and state.
Changed the size of the megaman sprites. They now have uniform width and height (66x66).
The jumping sprites now have the same width and height (66x66).
First integration of the Pymunk Physics engine. The World object now have a Space instance. The Character objects now have body and shape instances.
The Character class now accepts the World object on the constructor. This allows the character object to reference the Camera object inside the World.