'Find all the visible and hidden access points
:param self: An AccessPointFinder object
:type self: AccessPointFinder
:return: An tuple of sniff and channel hop threads
:rtype: tuple'

def find_all_access_points(self):

    self._sniff_packets_thread = threading.Thread(target=self._sniff_packets)
    self._sniff_packets_thread.start()
    self._channel_hop_thread = threading.Thread(target=self._channel_hop)
    self._channel_hop_thread.start()
