Renamed argparse_custom module to argparse_utils.

[kmvanbrunt]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 96.29630% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 99.51%. Comparing base (d5da802) to head (886b57e).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd2/cmd2.py	95.83%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1638      +/-   ##
==========================================
+ Coverage   99.49%   99.51%   +0.02%     
==========================================
  Files          21       21              
  Lines        4716     4716              
==========================================
+ Hits         4692     4693       +1     
+ Misses         24       23       -1     

Flag	Coverage Δ
unittests	99.51% <96.29%> (+0.02%)	⬆️

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