+ Implemented commands
+ Sprites from the sprite sheet can have different sizes now
+ Entities can now have custom bounding boxes
+ Renamed Applet to GameApplet (it's never good to extend a class an name it alike)
+ Typed keys can now be reset individually
+ Encapsulated LEVEL_1
+ Added command to toggle player's (for now) clipping
+ Added command to toggle whether the player is rendered or not
+ Implemented rendering semi-transparent colors (Alpha compositing)
+ Added texture for the player (credit: Schoolboy from http://untamed.wild-refuge.net/rmxpresources.php?characters)

* Fixed ArrayIndexOutOfBoundsException when clicking out of the world bounds
* General cleanup
* Made IDtoTile map final

- No longer do sprites render a rectangle around them (it was to debug)
- Removed Sprite and Spritesheet reloading (it didn't work)