Add Vec2#clone()
Add a direction to all bodies
Increase gravity!
Add possibility for player to turn and accelerate
Make Loop#start/stop remember previous FPS, for easy pause/resume
Add pause, and ability to spawn a new ship for player1 and player2
Add a different color to each player ship
Flip controls and make the color more prominent on ships
Make Ship#direction a Ship-only property
Move Math/ to lib/
Add lib/Throttler
Fix bug in GameObject with attributes not properly being inherited
Allow actors to decide if they wish to collide with other entities
Add player ability to shoot bullets
Move Weapon into it's own thing
Fix bullet collision prevention
No need for the weaponThrottler anymore