Apply docstring automatic format, add docstrings to CIF object, set line-width to 90, fix typos

[bobleesj]

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[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.29%. Comparing base (0e30bc7) to head (9534d71).
Report is 1 commits behind head on main.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main      #49   +/-   ##
=======================================
  Coverage   97.29%   97.29%           
=======================================
  Files          35       35           
  Lines        1403     1403           
=======================================
  Hits         1365     1365           
  Misses         38       38           

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