Add doOpen and doClose in SnoopFilter class
Change from checkConnect into connect and / Add disconnect
Change char* > BYTE*
Change SnoopProcessFilterItem into SnoopProcessFilterFlowItem
Add reverse methods
  SnoopMacFlowKey reverse()
  SnoopIpFlowKey reverse()
  SnoopPortFlowKey reverse()
  SnoopTransportFlowKey reverse()
  SnoopTupleFlowKey reverse()
Change SEQ and ACK according to TCP session