20170920
- first release based on Alpine Linux 3.6
- fixed problem of spurious transmit signals in SDR transceivers (#498)
- added several applications including multiband WSPR transceiver to a single SD card image (#213)
- added support for Envelope Elimination and Restoration (EER) to SDR transceiver compatible with HPSDR
- added support for transmission and reception of I/Q waveforms to wideband SDR transceiver (#554)