Patronising Pangolin

Almost total rewrite of the coordinate system to make it immediately clear which kind of coordinate is expected or being used.
Adds support for persisting chunks (they won't be unloaded)
Includes some performance improvements.

Burping Buffalo

Hotfix for a mismatch in parameter ordering, Chunks got their width/height mixed up.

Release 1.2 - Serializing Saguaro

Adds support for serialization and de-serialization.

Initial Release - Angry Alpaca

First release version