- updated the Cncjob to use the 'endxy' parameter which dictates the x,y position at the end of the job
- now the Tcl commands Drillcncjob and Cncjob can use the toolchangexy and endxy parameters with or without parenthesis (but no spaces allowed)
- modified the Tcl command Cncjob such that if some of the parameters are not used then the default values will be used (set with set_sys)
- modified the Tcl command Drillcncjob to use the defaults when some of the parameters are not used
- 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