Added colors for the debug output

I added colors for the debug output (based on the list found [here](http://www.pokecommunity.com/showthread.php?t=161616)) : 

*  ROCK
*  HILL
*  LADDER
*  WATER
*  ROAD
*  WALL
*  PLAYER

I also added `*.sav` and `*.gba` files in the `.gitignore`