Written for 2.70a.
Generate shape key drivers for the active pose bone.
Fix + Some more driver types.
Fix: Nodes op was not working.
Fix: Some classes were being registered on unregister.
Fix: Use mesh object from scene not data.
Mod: Driver variable uses space enum return string.
Mod: Rewrote node reparent code.
Upd: Transform value is added to the end transform shape key.
Upd: Mode is restored back to pose mode.
Fix: Gen nodes, error if pose bone has no parent bone, added warning.
Fix: Error when no mesh object selected, added warning.
Fix: Active shape key error when selected mesh was on hidden 3d view layer, fixed.
Fix: Removed node _0, its not required.
Mod: Moved properties to pointer property.
Upg: Scaled nodes based on bone length.
Upg: Show node names by default.