Limits of Reality from 100 to 500
Merge branch 'layer-refactor' of https://github.com/fiicere/PK into layer-refactor

Conflicts:
	PK/PK.xcodeproj/project.pbxproj

PK/PK.xcodeproj/xcuserdata/fiicere.xcuserdatad/xcdebugger/Breakpoints.xc
bkptlist
	PK/PK/EnemiesLayer.m
	PK/PK/HelloWorldLayer.m