v0.22.0

Changed

• Bump dill from 0.3.3 to 0.3.4 (#477)
• Bump requests from 2.25.1 to 2.26.0 (#481)
• Bump cython from 0.29.23 to 0.29.24 (#482)
• Use Github Actions for CI and drop Travis (#492)
• Switch master branch to main to get with the times

Fixed

• Only cover named channels when attempting to find a channel by name (#483 by @arusahni)

Full Changelog: v0.21.1...v0.22