[REL] v0.4.0rc1

[jdkent]

Summary

This is the first attempt to follow some guidelines to cut a release, let's see how well it works out

List of changes proposed in this PR (pull-request)

• [x] finalize changelog
• [x] finalize long_description
• [ ] add @ipacheco-uy to zenodo
• [ ] add @pranesh-sp to zenodo
• [ ] add @zkhan12 to zenodo
• [ ] ask @tsalo to be added to creators
• [x] include a checklist (like this one) in the release instructions (so meta!)

If I mentioned your name to add you to the zenodo, you can make your entry directly above Michelle Voss in another pull request. You will have until tomorrow 5:00pm to get your name in for this release, but you can open a pull request at any time to have your name added to the zenodo file to recognize your contribution(s).

[codecov[bot]]

Codecov Report

Merging #239 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #239   +/-   ##
=======================================
  Coverage   82.71%   82.71%           
=======================================
  Files          10       10           
  Lines         515      515           
  Branches       61       61           
=======================================
  Hits          426      426           
  Misses         78       78           
  Partials       11       11