[ADDED] Support for scale compensation. Enabling pc.GraphNode#scaleCompensation prevents scale from propagating down the hierarchy from that node.
[FIX] Various morph target fixes.
[FIX] Correctly disable attributes on destroying vertex buffers.
[FIX] Require normals if only a heightmap is specified on a pc.StandardMaterial.
[FIX] Fix draw order of elements in the picker.
[FIX] Fix issues with sounds not being resumed from the same point after being paused.