New: Added Frizz Preserve Length option
New: Created hair is assigned aiStandardHair shader when Arnold is used
New: Added "Change Tracking" option to Edit Guides to specify how to record new changes
Fixed: Changed "Show Color Guides" to "Show Colored Guides"
Fixed: EditGuides attributes not always update
Fixed: Create brush doesn't create roots in brush's whole region when set to Random
Fixed: SubClumping doesn't work in all cases
Many internal changes