Compare in PolygonRef::shorterThan is strange.
Compare in PolygonRef::shorterThan is strange.

PolygonRef::shorterThan will always return false?
ROBO3D/CuraEngine,Ultimaker/CuraEngine,alephobjects/CuraEngine,alephobjects/CuraEngine,ROBO3D/CuraEngine,totalretribution/CuraEngine,totalretribution/CuraEngine,ROBO3D/CuraEngine,alephobjects/CuraEngine,totalretribution/CuraEngine,Ultimaker/CuraEngine