'Setup the class to resonable defaults.'

def __init__(self, max_running, comms_queue):

    self._queued = []
    self._running = []
    self._completed = []
    self._num_of_jobs = 0
    self._max = max_running
    self._comms_queue = comms_queue
    self._finished = False
    self._closed = False
    self._debug = False
