v0.6.0

What's Changed

• Update README.md for next version compatibility. by @hshimoyama in #12
• Assert error response by @wat-aro in #13
• Byebye Travis, Hello GitHub Actions by @willnet in #14
• Bump minimum version of committee by @willnet in #15
• Fix warnings by @willnet in #16

New Contributors

• @hshimoyama made their first contribution in #12
• @wat-aro made their first contribution in #13

Full Changelog: v0.5.1...v0.6.0