Fix the frame-drop issue by lowering frameRate
Speed up Bullet creation by using recycling
Turrets doesn't need to be visible
Added BorderLimit
Changed Visibility : allow maps to be a rectangle and not only a square
Changed graphics of bullet, exit, key, monster
Added diamond shapes for keys
Make the enemies less dumb
Particles for the player, EmitterEntity added
Add a margin to the screen for the player, so we are sure he don't go out of the boundaries
Added HelpText, changed font, improved screens with text
Release 1.1.0 + mainly clean up files