- fixed the Tcl Command AlignDrillGrid
- fixed the Tcl COmmand Panelize, Excellon panelization section
- Fixed an issue in Tool Calibration export_excellon method call
- PEP8 corrections all over the app
- in CNCJob UI Autolevelling - Voronoi polygons are now plotted
- in CNCJob UI Autolevelling - adding manual probe points now show some geometry (circles) for the added points until the adding is finished
- fixed the issue with factory_defaults being saved every time the app start
- fixed the preferences not being saved to a file when the Save button is pressed in Edit -> Preferences
- fixed and updated the Transform Tools in the Editors