pep8
use GLfloat instead of c_float
Added support for creating all types of breakable blocks.
Use Pyglet 1.2 for OS X
Tweaked textures to be more vibrant and simillar to original Minecraft

I've tweaked textures to be more contrast and better-looking with fog.
Sand texture is now more vibrant and distinguishable from far. Sky
color and textures are more realistic and similar to original Minecraft.
Suggest multiple ways to run in OS X
Merge from upstream.

Merge branch 'master' into blocks
keys 1 - 0, not 0 - 9
How to play instructions in README

Key bindings and mouse actions
Merge pull request #18 from RichVel/master

"How to play" instructions in README
Update README.md
Merge branch 'osx-readme' of https://github.com/silent1mezzo/Minecraft

Conflicts:
	README.md
README update for Mac 32-bit issue #7, and installing git+pip on various platforms
Merge pull request #22 from RichVel/master

README update for Mac 32-bit issue #7, and installing git+pip on various platforms
fixed link in README
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
pep8 and add doc strings