Make sure we add the extension to the member variable so that we can have it when we are done slicing to save the gcode.
Make sure we add the extension to the member variable so that we can have it when we are done slicing to save the gcode.

ddpruitt/MatterControl,jlewin/MatterControl,gregory-diaz/MatterControl,gregory-diaz/MatterControl,unlimitedbacon/MatterControl,rytz/MatterControl,jlewin/MatterControl,mmoening/MatterControl,CodeMangler/MatterControl,CodeMangler/MatterControl,mmoening/MatterControl,MatterHackers/MatterControl,tellingmachine/MatterControl,mmoening/MatterControl,unlimitedbacon/MatterControl,rytz/MatterControl,CodeMangler/MatterControl,larsbrubaker/MatterControl,jlewin/MatterControl,MatterHackers/MatterControl,larsbrubaker/MatterControl,larsbrubaker/MatterControl,rytz/MatterControl,jlewin/MatterControl,MatterHackers/MatterControl,ddpruitt/MatterControl,ddpruitt/MatterControl,unlimitedbacon/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl,tellingmachine/MatterControl