message: Slightly improve USB message handling, add quit command
diff: @@ -38,12 +38,17 @@ def main(args):
  time.sleep(0.1)
  try:
  command = input("Enter ODrive command:\n")
  + if 'q' in command:
  + running = False
  + sys.exit()
  + else:
  dev.send(command)
  except:
  running = False
  def recieve_thread(dev):
  global ready
  +
  while running:
  time.sleep(0.1)
  try:
  