- Added a bounding box to the Entity class as well as added support for that box rotating to follow the object based off of its direction.
 - Updated all entity children to have a bounding box
 - Added support for drawing bounding boxes for visual comparison
 - Added collision checking based on the bounding box
 - For now, when a bullet and an enemy collide, it destroys it and when the enemy and player collide, it destroys the enemy