Autoleveller

The (DEBUG,) actually brings up a dialog box. There's no necessity to press OK to dismiss it, but i normally follow this with M0 and include in the message that the user should click Resume.... I also include M0 both at the point the cable needs to be attached and after the probing is complete along...

I've been adding: (DEBUG, Attach probe cable, then click Resume ) M0 to the top of the output gcode files, and (DEBUG, Detach probe cable, then click Resume ) before the M0 following probing, to prompt the user. Otherwise something gets damaged if the probe isn't connected, and it's nice to have a p...