debugged my polygon.inside a bit and added the one from gsmith-to https://github.com/Ultimaker/CuraEngine/pull/189
debugged my polygon.inside a bit and added the one from gsmith-to https://github.com/Ultimaker/CuraEngine/pull/189

foosel/CuraEngine,mspark93/CuraEngine,derekhe/CuraEngine,jacobdai/CuraEngine-1,pratikshashroff/pcura,ROBO3D/CuraEngine,derekhe/CuraEngine,patrick3coffee/CuraTinyG,mspark93/CuraEngine,alex1818/CuraEngine,alex1818/CuraEngine,uus169/CuraEngine,pratikshashroff/pcura,foosel/CuraEngine,ROBO3D/CuraEngine,electrocbd/CuraEngine,uus169/CuraEngine,markwal/CuraEngine,electrocbd/CuraEngine,derekhe/CuraEngine,alephobjects/CuraEngine,mspark93/CuraEngine,fxtentacle/CuraEngine,alephobjects/CuraEngine,Ultimaker/CuraEngine,markwal/CuraEngine,electrocbd/CuraEngine,uus169/CuraEngine,ROBO3D/CuraEngine,totalretribution/CuraEngine,jacobdai/CuraEngine-1,jacobdai/CuraEngine-1,fxtentacle/CuraEngine,Ultimaker/CuraEngine,alephobjects/CuraEngine,foosel/CuraEngine,pratikshashroff/pcura,patrick3coffee/CuraTinyG,alex1818/CuraEngine,totalretribution/CuraEngine,markwal/CuraEngine,fxtentacle/CuraEngine,totalretribution/CuraEngine,patrick3coffee/CuraTinyG