Controller Support added. (Has only been tested with a dualshock4 controller currently)

Fixed not being able to turn while crouching .

Player can now climb stairs by holding horizontal and up.

Fixed Dragur enemy (green viking with axe) sometimes jittering between attack end and attack startup after attacking.

Fixed Zombie enemy sprite misalignment when they where facing right.

Fixed Boss landing not having a hitbox on the axe.

Slightly changed the Boss jump attack.

Parralax backhground should now jitter less.