code: function connect(deviceID, port) {
      return pack({
        MessageType:         'Connect',
        ClientVersionString: 'node-usbmux',
        ProgName:            'node-usbmux',
        DeviceID:            deviceID,
        PortNumber:          byteSwap16(port)
      });
    }
docs: Connect request
  
  Note: PortNumber must be network-endian, so it gets byte swapped here
  
  @param {integer} deviceID
  @param {integer} port
  @return {Buffer}