Move reactor debugging info from main klippy.py code to error_mcu code
for improved exception handling.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Rename the event to make it a little more clear what it is intended
for. Also, check for an exception in each event handler.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Create a new module to help format verbose mcu error messages. Move
the shutdown message formatting to this module. This moves the error
formatting out of the background thread and out of the critical
shutdown code path.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
