- solved issue #292 where a new geometry renamed with many underscores failed to store the name in a saved project
- the name for the saved projects are updated to the current time and not to the time of the app startup
- some PEP8 changes related to comments starting with only one '#' symbol
- fixed bug in Marlin postprocessor for the Excellon files; the header and toolchange event always used the parenthesis witch is not compatible with GCode for Marlin
- fixed a issue with a move to Z_move before any toolchange
- created a prototype postprocessor file for usage with tool probing in MACH3
- added the default values for Tool Film and Tool Panelize to the Edit -> Preferences