Collision now works properly for rectangle objects. I have only tested
on 
SideScrollerMap1 and Maze1 so far. there are however two structures on
SideScrollerMap1 that are polygon structures, going to work on detecting
collision for those and for polylines inorder to offer Brian more
variety when designing the maps. once I can read in collision from those
I will work on implementing the proper physics response for collisions
besides just stopping the player (bouncing back and stuff).