Update @add_arg_table, hex and winsor

[Mattriks]

• I've updated the documentation
• I've added and/or updated the unit tests
• I've run the regression tests
• I've built the docs and confirmed these changes don't cause new errors

This PR:

• updates @add_arg_table, hex and winsor due to deprecations or changes

[codecov-commenter]

Codecov Report

Merging #1444 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1444   +/-   ##
=======================================
  Coverage   89.37%   89.37%           
=======================================
  Files          39       39           
  Lines        4378     4378           
=======================================
  Hits         3913     3913           
  Misses        465      465           

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