Kevin O'Connor 5ebe8ce025 gcode: Don't dump the message log directly from set_printer_ready()
The set_printer_ready() method can be called from a background thread.
Have the main Printer class call a new dump_debug() method in the main
thread on a shutdown event.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2016-11-30 21:20:09 -05:00
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