- update to version 2.8.1
- Add bug comment and fix nits
- Update master for stable/wallaby
- setup.cfg: Replace dashes with underscores
- Add Python3 xena unit tests
- Don't import module "etcd3gw" if etcd3gw backend is not used.
- Adding technical details about the memcache pool backend.
- Move flake8 as a pre-commit local target.
- Drop use of deprecated collections classes
- Dropping lower constraints testing.
- Use py3 as the default runtime for tox