Include log_level args explicitly in log_* wrappers

[MichaelChirico]

Closes #140

NEWS is left out for now as I'm not sure whether to classify this change as a 'fix' or a 'feature'.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.95%. Comparing base (ec619ce) to head (10e59d7).
Report is 9 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #143   +/-   ##
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  Coverage   83.95%   83.95%           
=======================================
  Files          10       10           
  Lines         561      561           
=======================================
  Hits          471      471           
  Misses         90       90           

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[daroczig]

Thanks for your work on this 🙇
Yeah, this looks great. There was a minor issue, but after the above commits, all tests passed.
Planning to merge by the end of the week -- if you can think of any good test examples, I'd highly appreciate that. I will go though the NEWS file as quote a few tickets have been resolved today, but if you can add your contributions, that would be great as well.

[MichaelChirico]

Added one simple test, PTAL.

For the NEWS, I will leave it to you how you want to organize the entry -- not sure if it's a fix or a feature in this case.