Merge pull request #22 from chrisdickinson/master

Bump spatial-events req
add voxel-chunks to the intersection logic
Support for AZERTY keyboard layouts
Merge pull request #23 from Goutte/azerty-support

Support for AZERTY keyboard layouts
set and check for chunkMatrix on the pos ref
depend on voxel-chunks
merge conflicts fixed
Add Game.prototype.render()

Called within Game.prototype.tick(), keeping this in a
seperate method lets you override render calls easily.
Merge pull request #24 from substack/chunk-matrix

chunk matrices
0.3.7 - detached chunk support and spatial events support
Merge pull request #25 from hughsk/seperate-render

Add Game.prototype.render()
0.3.8 - move render into its own function
defer to chunkGroups in getBlock(); missed this earlier
Merge pull request #26 from substack/getblock-matrix

defer to chunkGroups in getBlock()
WIP. refactor