0.7.0 Release.

Breaking

• Drop Python 3.5 support (#62)

Fixes

• Don't try to interpret incoming data as AT command mode response. @Adminiuga (#64)

Features

• Group multicast requests (#57)

Changes

• Add release drafter. @Adminiuga (#60)
• Update README.md to flesh it out with more information and links @Hedda (#58)
• Update travis configuration. @Adminiuga (#63)

Changes

• 0.7.0 Release. @Adminiuga (#69)

• Send multicast support. @Adminiuga (#57)

• Add black check to tox. @Adminiuga (#61)