Communicator failures not handled

[jjlawren]

Messages such as this lead to failures when updating zones:

May 12 10:08:59 [00000001000000000A--],0fc,[f704009f10fc000008020000000000],"COMM. FAILURE                   "
May 12 10:09:03 [00000001000000100A--],0bf,[f704009f10bf000208020000000000],"CHECK 103 LngRngRadio       0000"

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/devices/base_device.py", line 148, in run
    self._device.read_line(timeout=self.READ_TIMEOUT)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/devices/socket_device.py", line 356, in read_line
    self.on_read(data=ret)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/event/event.py", line 84, in fire
    func(self.obj, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/decoder.py", line 1041, in _on_read
    self._handle_message(data)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/decoder.py", line 439, in _handle_message
    msg = self._handle_keypad_message(data)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/decoder.py", line 481, in _handle_keypad_message
    self._update_internal_states(msg)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/decoder.py", line 632, in _update_internal_states
    self._update_zone_tracker(message)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/decoder.py", line 1017, in _update_zone_tracker
    self._zonetracker.update(message)
  File "/usr/local/lib/python3.8/site-packages/alarmdecoder/zonetracking.py", line 209, in update
    self._zones_faulted.sort()
TypeError: '<' not supported between instances of 'str' and 'int'

[f34rdotcom]

This should be easy enough to fix. The hex value breaks it.