- fixed partially the Excellon Editor to work with the new data structure
- fixed Excellon export to work with the new data structure
- fixed all transformations in the Excellon object attributes; still need to fix the App Tools that creates or use Exellon objects
- Tool Isolation - new feature that allow to isolate interiors of polygons (holes in polygons). It is possible that the isolation to be reported as successful (internal limitations) but some interiors to not be isolated. This way the user get to fix the isolation by doing an extra isolation.
- 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
