Change current_map type.
Add method for setting the current map.
Free the current map on dealloc.
Add an assert for game_map.
Remove comment.
Add asserts for entity.
Add asserts for game_map.
Add asserts for sprite.
memset things.
Fix types.
Test using stdbool.h.
Add method for frame delay.
Use new bool function variants.
Implement very basic game loop.
Use absolute path for -rpath to appease the Xcode gods.
Updated SDL.framework to not cause Xcode to crash on run.
Add functions for updating, rendering, and thinking entities and their children.
Add basic over world tile map.
Add basic keyboard handling.
Change sprite creation to accept a frame_size.