Merge pull request #22 from RichVel/master

README update for Mac 32-bit issue #7, and installing git+pip on various platforms
Merge pull request #24 from RichVel/master

fixed link in README
another README link fix ...
Merge pull request #25 from RichVel/master

Another README link fix ...
Update README.md
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