closes #47. closes #43. bugs in TransformControls
closes #47. closes #43. bugs in TransformControls

kennethjiang/OctoPrint-Slicer,DeltaMaker/OctoPrint-Slicer,eyal0/OctoPrint-Slicer,DeltaMaker/OctoPrint-Slicer,DeltaMaker/OctoPrint-Slicer,kennethjiang/OctoPrint-Slicer,eyal0/OctoPrint-Slicer,eyal0/OctoPrint-Slicer,kennethjiang/OctoPrint-Slicer