* Pass all compatible regions to perimeter generator
* Simplify & unify fuzzify detection
* Simplify `to_thick_polyline`
* Group regions by fuzzy skin settings
* Initial code structure of multi-regional fuzzy skin
* Determine fuzzy type by all compatible regions
* Add fuzzy region debug
* Implement the line split algorithm
* Do splitted fuzzy in classic mode
* Disable debug macros
* Fix infinit loop issue when segment points are out of order
* Fix path connection
* Implement splitted fuzzy in Arachne mode
