Bullet stuff

Added Bullet class
I have no idea if this works...

I'm having trouble with pygame, I'll see what I can do and see if it
works
Added extra stuff and a bullet shows up

Next up, movement?
Merge remote-tracking branch 'origin/Shooting'
Merge branch 'master' of https://github.com/Ropesnake/Platformer_Engine

Conflicts:
	lib/main.py