Documentation!
Merge pull request #75 from cantsin/documentation

Documentation!
Clean up and fix bugs in library/{glcd,console}.lua
Canvas layer abstraction library.
Merge pull request #81 from cantsin/layers-canonical

Canvas layer abstraction library.
Tileset coordinate cleanups.
Put collision functions in its own file.
GLC: Update README
Merge pull request #82 from johansson/update-instructions

GLC: Update README
GLC: Support Windows usernames

	- Windows doesn't have a USER environment variable. It's USERNAME.
Merge pull request #83 from nulltone/support-windows-usernames

GLC: Support Windows usernames
Add player status to heartbeat, and send QUIT status on exit
Player Status, particularly for QUIT.
Remove the debug print
Merge pull request #84 from captdeaf/master

Notification on player QUIT, as well as player status support.
New zone, sprite batching, layer support.
Merge pull request #85 from cantsin/master

New zone, sprite batching, layer support.
Try and keep px+py integers, so force dx+dy to be integers as well
Layer priority.
Merge pull request #87 from captdeaf/integer-positions

Try and keep px+py integers, so force dx+dy to be integers as well