Optimisation: use deque instead of pop(0)
Optimisation: reduce dictionary lookups for repeatedly used maths functions
Revert repo name
Merge branch 'master' of git://github.com/ggaughan/Minecraft
Remove items from selected stack, not by type
Added simple light source and day/night cycle. Needs massive improvements.
Merge commit '55d3f053f4aa4c6864c98a3fa395b2ddb4119450'

Conflicts:
	inventory.py
	main.py