Check the option names and types when options are set (#601)

[mwouts]

itables.options is now an instance of a ModuleType subclass that checks the option name and type on assignment, so that a typo in an option name, or an option with an unexpected type, is reported at the assignment itself rather than (possibly much later) when a table is rendered.

The options passed to e.g. show are now checked before itables transforms them, so that the warning quotes the option as the user wrote it, and every item of a collection is now checked rather than just the first one.

[github-actions]

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 97.82609% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 95.22%. Comparing base (b091e1a) to head (fc16c4f).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/itables/options.py	92.30%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #609      +/-   ##
==========================================
+ Coverage   95.20%   95.22%   +0.02%     
==========================================
  Files          59       59              
  Lines        3668     3710      +42     
==========================================
+ Hits         3492     3533      +41     
- Misses        176      177       +1     

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