Some minor cleanup after #95
Some minor cleanup after #95

alex1818/CuraEngine,patrick3coffee/CuraTinyG,alephobjects/CuraEngine,patrick3coffee/CuraTinyG,ROBO3D/CuraEngine,fxtentacle/CuraEngine,phonyphonecall/CuraEngine,be3d/CuraEngine,mspark93/CuraEngine,Skeen/CuraJS-Engine,robotustra/curax,foosel/CuraEngine,phonyphonecall/CuraEngine,alex1818/CuraEngine,Ultimaker/CuraEngine,jacobdai/CuraEngine-1,derekhe/CuraEngine,fxtentacle/CuraEngine,robotustra/curax,totalretribution/CuraEngine,ROBO3D/CuraEngine,markwal/CuraEngine,totalretribution/CuraEngine,markwal/CuraEngine,electrocbd/CuraEngine,alephobjects/CuraEngine,mspark93/CuraEngine,derekhe/CuraEngine,mspark93/CuraEngine,uus169/CuraEngine,uus169/CuraEngine,totalretribution/CuraEngine,alephobjects/CuraEngine,be3d/CuraEngine,Skeen/CuraJS-Engine,derekhe/CuraEngine,jacobdai/CuraEngine-1,markwal/CuraEngine,ROBO3D/CuraEngine,electrocbd/CuraEngine,Ultimaker/CuraEngine,Jwis921/PersonalCuraEngine,pratikshashroff/pcura,Jwis921/PersonalCuraEngine,foosel/CuraEngine,robotustra/curax,foosel/CuraEngine,patrick3coffee/CuraTinyG,daid/CuraCutEngine,uus169/CuraEngine,alex1818/CuraEngine,daid/CuraCutEngine,jacobdai/CuraEngine-1,pratikshashroff/pcura,Jwis921/PersonalCuraEngine,pratikshashroff/pcura,be3d/CuraEngine,phonyphonecall/CuraEngine,fxtentacle/CuraEngine,Skeen/CuraJS-Engine,electrocbd/CuraEngine