v2.4.6

• Updated selection manager to output python code with better variable names
• Updated biped rigger (base, facial and corrective)
  • Moved all automation joints to rig setup
  • Moved all base skeleton constraints to rig setup
  • Eliminated IK solvers group from rig setup
  • Added second check for collapsed ankle
  • Added select skinning joints to facial and corrective setups
  • Locked default channels for all proxy root groups
  • Fixed an issue where some joints wouldn't be selected when skinning a simplified spine
  • Fixed translate disparity between left and right mouth goals for the middle lip controls
  • Fixed issue where the jaw would be generated without a base
  • Updated merge options with new rig setup pattern
  • Fixed issue where cheek controls wouldn't mirror properly