* No idea what I'm doing.
* Extend integration test to cover ac3f6a78c7401aba9b62c2c67f280a129ae84eaf.
* Remove useless output to stop failing other tests.
* Reformat.
* Upgrade virtualenv to see if it fixes py34 builds
* Add CHANGELOG entry
* Make foobarplugin part of the test only
* Fix language_version in pre-commit for rst
* Fix test in Python 2
Co-authored-by: Bruno Oliveira <nicoddemus@gmail.com>