Creates virtual Enemy class
Adds Bee enemy, todo: AI pattern movement
Adds placeholder AIType base class
Adds Pattern Movement type, outline for Instruction base class
Moves collision check out of Game, into Body
Implements CollisionHandler virtual function
Adds placeholder collision handler for Bee and Player
Begin implementation of kill function and explosions (not finished)
Implements dead/alive state, image, and functions
Adds ToPoint instruction for pattern movement (untested)
Minor corrections - Pattern movement to point now working!
Fix to cause enem to stop thinking when dead
Cosmetic changes