Minor changes in the math module.
Added the Grid module.
Merge branch 'elena' of github.com:PeithVergil/angrynerds into dev11b
Minor changes to the Grid class in the grid module.
Creating a tile engine.
Added the TileMap class which is used to represent the World in tiles.
Added a Py2exe setup script.
Added author name and version number in the setup.py script.
Added an icon_resources to the setup.py script.
Fixed app name.
Merge branch 'master' of github.com:PeithVergil/angrynerds
Added a set_icon call for the pygame display object.
Added icon.png. Fixed icon compatibility on Windows.
Minor changes.
Grass, dirt, and brick tiles are now solid objects. The character can now stand on top of a solid object.
The character can now jump.