Added WASD Support

WASD Support, weird walljump mechanic
Projectiles somewhat working

projectiles shot when space bar is pressed/held down
bullet image not working, so it's broken (that square thing shows)
bullets shoot to the right for now
Bullets now disappear when enemy is hit

kills bullets on overlap with mob
DUMB IGNORE
ignore?
Revert "ignore?"

This reverts commit 3fb40a97e829203166c7e5f5e7b390a8e2d98bb7.
Revert "DUMB IGNORE"

This reverts commit 6e991a1aa060d847a579b280ca8ff0a30ec660ee.
WOW OK SO USE DEVELOPER CONSOLE ON BROWSER

Got bullets to load
got bullets to fire at a slowerpace
made Bullet group

changed how bullets are handled, recycles bullets and kills them when
they go out of bounds. should take up less memory perhaps

Bug: kills mob when it's not SUPPOSED TO DAMMIT
Added directional shooting

shoots left when moving left, etc for right, shoots up if no direction
BAD INDEX
Revert "Added directional shooting"

This reverts commit 5982ea4eaa99a0b5331d4456e986d13e681c94e4.
Revert "BAD INDEX"

This reverts commit 3c703fb9138690013b346ddaa2b877771e39dc11.
Revert "Revert "Added directional shooting""

This reverts commit e0007a09b84b5f4f6832b083af7f0aa0fea3f9ce.
Got bullets to disapper when hit mob

overlap docu says sprite vs. group, but not group vs sprite. so plan
according to it
one more comment to be sure
change delay finally commit for tonight