Add variable Cube size, from a config file.
Should correctly mixin to our CubePos and Coords classes and adjust as needed.

Should also adjust level 33 to be variable based on cube size (at 32size it should be 17?)

Began fixing in 18b7c8d, 45462e6, c9f7b65. Requires more testing.

Fixed in 49302b2, 0fd271e, 64f9909, 9aa5a83, 1f2bf52, e80f832, 48024d7