Version 0.11.1

New enemy: Slimerat & Grease Daddy 

New enemy abilities: Split and Charge

New rotating upgrade for basic weapon

New basic weapon sprite 

New orbital and facing features for weapons. 

Rotating weapon is now a basic weapon.  Special logic was moved to basic Weapon class.

Charge now ignores enemies and have a longer path 

New sprites for various enemies (everything now SHOULD be within the same color palette) 

Enemy sprites now look to the direction they are moving

Enemies now have separate physic collider and hitbox (that was pain)

Fixed Knockback mechanics

Vacuum rotation update

Sprite size and frame rate changes