Geniunely dont know what the change did

Significantly better cut volume calculation

Initial version of cotouring done

Ideas for ballnose contouring

Fixed some bugs

Started work on contouring

Added gcode export, started fixing some weird bugs

Improved performance, added height detection, g-code output, feedrate calculation, better auto path generation

Fixed some bugs

Changed operations to rely on state for execution

Slight stability improvements

Better auto path generation, still needs work on outline tolerance

Organised files a bit, optimized topology further

Finished arc detection

Started with automill