Be stricter about kwargs to Mv.__init__

[eric-wieser]

Also add much better documentation for construction (https://external-builds.readthedocs.io/html/galgebra/97/generated/galgebra.mv.html#galgebra.mv.Mv)

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Builds upon #96, posting now to solve any CI issues

Bonus!

[codecov]

Codecov Report

Merging #97 into master will increase coverage by 0.07%.
The diff coverage is 86.66%.

@@            Coverage Diff             @@
##           master      #97      +/-   ##
==========================================
+ Coverage   67.63%   67.71%   +0.07%     
==========================================
  Files           8        8              
  Lines        4789     4810      +21     
==========================================
+ Hits         3239     3257      +18     
- Misses       1550     1553       +3

Impacted Files	Coverage Δ
galgebra/deprecated.py	98.52% <100%> (+0.06%)	⬆️
galgebra/utils.py	71.87% <78.57%> (+5.2%)	⬆️
galgebra/mv.py	63.15% <90.9%> (+0.08%)	⬆️

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[eric-wieser]

Trying to get github to recompute the diff...

[utensil]

Cool! Although I missed the old init_slot a bit as it partially served as a doc.

Also, I would like the new private class to have its own tests but it's well covered.

[eric-wieser]

Cool! Although I missed the old init_slot a bit as it partially served as a doc.

New docs are here https://galgebra.readthedocs.io/en/latest/generated/galgebra.mv.html#galgebra.mv.Mv.Mv

The old ones were misleading, as they only applied to some permutations of arguments.

galgebra.mv — galgebra documentation

[utensil]

The old ones were misleading, as they only applied to some permutations of arguments.

Yup, I get that part.