What's Changed
- setup.py: update download url and remove python 2.6 support by @thiell in #508
- clush: select proper last parsed config file (#511) by @thiell in #512
- setup.py: improvements for pip install and venv by @thiell in #510
- correct typo 'sterr' by @haiwu in #513
- Fix typos found with codespell by @xdelaruelle in #514
- RangeSet: support negative ranges (#515) by @thiell in #518
- RangeSet: remove duplicate intiter() definition by @thiell in #519
- NodeSet: a few minor code fixes by @thiell in #520
- Release 1.9.1 by @thiell in #521
Full Changelog: v1.9...v1.9.1