Added listener for data from SpyingMIDIDriver, using CFMessagePort.
Added listener for data from SpyingMIDIDriver, using CFMessagePort.

krevis/MIDIApps,DouglasHeriot/MIDIApps,DouglasHeriot/MIDIApps,krevis/MIDIApps,krevis/MIDIApps,krevis/MIDIApps,krevis/MIDIApps,DouglasHeriot/MIDIApps