- add LED light for respeaker core and respeaker usb mic array
- add inactive time report event
- limit audio queue length, fix string to invalid filename
- able to handle a few kind of connection failures and do reconnection
- fix dueros oauth invalid access token issue
- fix dueros-auth
- support alerts interface
- add hands free alexa util using respeaker python library
- use gstreamer to play audio stream
- support dueros avs compatible service
- many improments
- rename alexa util to alexa-tap
- add oauth util alexa-auth
- First release on PyPI.