[FIX] Docs build failures

[DESm1th]

Have to explicitly pin docutils below version 0.18.0 or the circleci build_docs step fails

[codecov]

Codecov Report

Merging #326 (860dd58) into master (6a0d16e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #326   +/-   ##
=======================================
  Coverage   30.83%   30.83%           
=======================================
  Files          63       63           
  Lines        9501     9501           
=======================================
  Hits         2930     2930           
  Misses       6571     6571           

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[josephmje]

Thanks for this fix @DESm1th! I was wondering what do you think about migrating our CI to GitHub Actions?

[DESm1th]

I'm not sure if it would be worth it yet. It's not as mature or featureful as circleci yet, and does some weird things with caching that would probably make our jobs slower atm.