New: Edit Guides can be applied to hair (WIP)
New: Normalize Strands modifier (for fixing inter-hair crossings and penetration)
New: Adopt External Guides modifier (hair can use an external guides object)
Fixed: Guides break if groomed after moving the roots
Fixed: Loading hair saved in V5 has incorrect shape
Fixed: Incorrect Edit Guides shape changes after exiting control points mode
Fixed: Animation modifier doesn't reload the hair correctly
Numerous internal changes