Add rrule for twist

[lkdvos]

Fixes #216

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.29%. Comparing base (f09e40c) to head (72c82c3).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #217      +/-   ##
==========================================
+ Coverage   82.28%   82.29%   +0.01%     
==========================================
  Files          43       43              
  Lines        5463     5467       +4     
==========================================
+ Hits         4495     4499       +4     
  Misses        968      968              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[lkdvos]

I can confirm the !inv was correct and I added some tests for anyonic AD. For now they are a bit preliminary, which is in line with our spotty support for differentiating through that anyways.