Hex digit support

[brayjmendoza]

Closes: #1095

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.05%. Comparing base (7ae166e) to head (5db9ed6).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1166   +/-   ##
=======================================
  Coverage   46.05%   46.05%           
=======================================
  Files          11       11           
  Lines        4942     4942           
  Branches     1345     1345           
=======================================
  Hits         2276     2276           
  Misses       2666     2666           

Flag	Coverage Δ
idlc	46.05% <ø> (ø)

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[dhower-qc]

FYI: to fix the CI errors:

1. Your PR title must be a valid conventional commit title.
2. You need to run pre-commit locally to fix error, and then commit what it auto-corrects. pre-commit should run automatically on git commit. If you see it fail, then git add -u and commit again