- in camlib.py, CNCJob class -> generate_from_excellon_by_tool() was
failing in the line to sort the tools due of been unable to compare
between dict's. I replaced that section.
implement executing of tasks inside worker thread
cleanups, reimplement Isolate/New/OpenGerber as OOP style Shell commands
disable edit during shell execution, show some progress
add ability for breakpoints in other threads and only if available
add X11 safe flag, not sure what happen on windows
implement TclCommand.TclCommandSignaled as proof of concept (not usefull)
bypass using threads within obj.generatecncjob(use_thread = False, **args)
reimplement some more shell commands to OOP style
