Add support Series and MultiIndex to functions that trivially support them

[znicholls]

Description

Checklist

Please confirm that this pull request has done the following:

• Tests added
• Documentation added (where applicable)
• Changelog item added to changelog/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.86%. Comparing base (39d5969) to head (f0ea065).
⚠️ Report is 202 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #15   +/-   ##
=======================================
  Coverage   96.86%   96.86%           
=======================================
  Files          23       23           
  Lines        1182     1182           
  Branches      129      129           
=======================================
  Hits         1145     1145           
  Misses         22       22           
  Partials       15       15           

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[znicholls]

Superseded by #24