- 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
- 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