Added gosu boilerplate
Add basic structure
First working version
Added input system
Rolled all the systems into one hash. One general add/remove for systems
Separated ECS Window from Window into separate Engine
Double buffer appears to work... for now
Couple more refactors
Fixed some flaws and reimplemented Each_Entity helper
Fumigated the entity bufer
Removed strict-ness of what goes through to systems
Added handle on input state
Fixed input collection, removed sprite gen, added pause/unpause
Added entity ID as a component