Release/0.2.0

[mcgibbon]

Purpose

This PR bumps versions to 0.2.0 in preparation for release. It also bumps pace.util to version 0.10.0.

It also adds bumpversion control for every package but util (which is on a different version schedule).

Checklist

Before submitting this PR, please make sure:

• [x] You have followed the coding standards guidelines established at Code Review Checklist.
• [x] Docstrings and type hints are added to new and updated routines, as appropriate
• [x] All relevant documentation has been updated or added (e.g. README, CONTRIBUTING docs)
• [x] For each public change and fix in pace-util, HISTORY has been updated

[jdahm]

Should bumpversion be included in requirements_dev.txt?

[mcgibbon]

Should bumpversion be included in requirements_dev.txt?

Maybe, but I'd like to leave that out of this PR so I don't break anything. I can't currently generate constraints.txt or install any of our pace packages on my new mac.