0.8.0 Release

Breaking changes

• Drop py35 support @Adminiuga (#95)

🚀 Features

• Feature/usb reconnect @Adminiuga (#99)
• Implement radio probe. @Adminiuga (#101)
• Add black check to travis @Adminiuga (#96)

Changes

• Add isort @Adminiuga (#100)
• Add PyPa workflow. @Adminiuga (#98)
• Refactor DeviceState as an enum.IntFlag @Adminiuga (#97)
• Create Contributors.md file with list of contributors @Hedda (#89)
• Added a "How to contribute" section to README.md @Hedda (#90)