Change yawobject.position calls to the new cameraPosition()
Merge pull request #3 from nakedible/fixes

Change yawobject.position calls to the new cameraPosition()
Updates for voxel-engine@0.6.0. Bump v0.1.2
Fix png image
Do a quick fix to make voxel-sky work with voxel-engine >=0.7.0.