Changes in Extended Desc...

EventHandler: Made changes to the onGhostCollision method, added _wallMask
Level: Added a wallMask var holder for the walls to have separate masks for each that gets passed to the sweepTester
LevelPhysics: Removed the str(id) add onto the name, its pointless also removed the setCollideMask, its now done in the subType ifs
Player: Cleaned up some unwanted comments and code, added a check to skip sweepResults for playerGhostBody, added a doSweepTest method
PlayerPhysics: Cleaned up, added the wallMask fetch for the pass to sweepTester, adjusted the sweepTest method to avoid any player Bodies