v0.7.1

Added

• QMI.NetworkAccess.get_rf_band_info/1 to get band and channel information
• QMI.WirelessData.set_event_report/2 to configure the wireless data service
  to report transmit and receive stats
• Parsing for wireless data service's event report indication
• QMI.Codec.WirelessData.set_event_report/1
• QMI.Codec.NetworkAccess.get_rf_band_info/0

Changed

• QMI.request() decode function type now allows returning :ok for request
  who's response does not contain any information.