2.0.15

Update change notes with release date.

2.0.14

Prep 2.0.14 release

2.0.13

Update RELEASING.txt

- Merge `tox -e lint` description into `tox -r` command description
- Use $TOX as an environment variable command

2.0.12

Merge pull request #458 from stevepiercy/2.0-branch

Backport #226

2.0.11

There is no trove classifier for PyPy3

2.0.10

Prepare 2.0.10 release

2.0.9

Prepare 2.0.9 release