Update CHANGELOG with some PRs merged (#1391)

* Update CHANGELOG with some PRs merged
- Add section for vim plugin
- Add vim plugin now prefering virtualenv
- Add py3 tagged wheels

* packges

* Update CHANGES.md _Black_

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

* Update CHANGES.md Vim

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>