Implemented better sorting for part references.
Implemented better sorting for part references.

xesscorp/KiCost,hildogjr/KiCost,markisa/kicost,hildogjr/KiCost,xesscorp/KiCost,hildogjr/KiCost,markisa/kicost,dasdgw/KiCost,xesscorp/KiCost