Merge pull request #7 from ljusman/master

Banana Peel AI
Added function to change player sprite
Merge branch 'master' of git://github.com/ljusman/PyRun into ljusman-master

Conflicts:
	player.py
Fixed player.py which had stuff inserted by git
Updated .gitignore
Added collision detection in the x direction
Changed jumping to be consistent with where the player is
Added some comments on jumping
Added jumping collision detection
Fixed crashing
Merge pull request #10 from markbahnman/y-direction-collision-detection

Added collision detection in the x direction
Added player animations
Added more AI Implementation - mud doesn't work just yet