- fixed bug in Gerber Editor in which the QThread that is started on object edit was not stopped at clean up stage
- fixed bug in Gerber Editor that kept all the apertures (including the geometry) of a previously edited object that was not saved after edit
- removed the import of the whole FlatCAMApp file only for the usage of GracefulException
- remove the import of FlatCAMApp and used alternate ways
- optimized the imports in some files
- moved the Bookmarksmanager and ToolDB classes into their own files
- solved some bugs that were not so visible in the Editors and HPGL parser
- split the FlatCAMObj file into multiple files located in the flatcamObjects folder and renamed the contained classes with names more suggestive
- updated the Google Translation for the German language
- removed the import of the whole FlatCAMApp file only for the usage of GracefulException
- remove the import of FlatCAMApp and used alternate ways
- optimized the imports in some files
- moved the Bookmarksmanager and ToolDB classes into their own files
- solved some bugs that were not so visible in the Editors and HPGL parser
- modified the ToolDB class and changed some strings
- Preferences classes now have access to the App attributes through app.setup_obj_classes() method
- moved app.setup_obj_classes() upper in the App.__init__()
- added a new Preferences setting allowing to modify the mouse cursor color
- remade the GUI in Preferences -> General grouping the settings in a more clear way
- made available the Jump To function in Excellon Editor
- added a clean_up() method in all the Editor Tools that need it, to be run when aborting using the ESC key
- in Preferences window removed the Import/Export Preferences buttons because they are redundant with the entries in the File -> Menu -> Backup. and added a button to Restore Defaults
- when in Basic mode the Tool type of the tool in the Geometry UI Tool Table after isolating a Gerber object is automatically selected as 'C1'
- let the multiprocessing Pool have as many processes as needed
- added a new Preferences setting allowing a custom mouse line width (to make it thicker or thinner)
- updated the Paint Tool in Geometry Editor to use the FCDoublepinbox
- added the possibility for suffix presence on the FCSpinner and FCDoubleSpinner GUI Elements
- added the '%' symbol for overlap fields; I still need to divide the conntet by 100 to get the original decimal
- in Tools Database made the status bar messages show when adding/copying/deleting tools in DB
- changed all Except statements that were single to except Exception as recommended in some PEP
- renamed the Copper Fill Tool to Copper Thieving Tool as this is a more appropriate name; started to add ability for more types of copper thieving besides solid
- fixed some issues recently introduced in ParseSVG
- updated POT file
- added support for key-based panning in 3D graphic engine. Moving the mouse wheel while pressing the CTRL key will pan up-down and while pressing SHIFT key will pan left-right