Add logger support

[ajtritt]

Add logger to linear model classes

[codecov-io]

Codecov Report

Merging #116 into master will decrease coverage by 1.65%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##           master     #116      +/-   ##
==========================================
- Coverage   93.04%   91.38%   -1.66%     
==========================================
  Files          16       16              
  Lines        1322     1370      +48     
==========================================
+ Hits         1230     1252      +22     
- Misses         92      118      +26

Impacted Files	Coverage Δ
pyuoi/linear_model/lasso.py	100% <ø> (ø)	⬆️
pyuoi/linear_model/poisson.py	96.24% <ø> (ø)	⬆️
pyuoi/linear_model/logistic.py	95.11% <ø> (ø)	⬆️
pyuoi/linear_model/elasticnet.py	100% <ø> (ø)	⬆️
pyuoi/linear_model/base.py	80.13% <79.16%> (-12.21%)	⬇️
pyuoi/utils.py	96.49% <85.71%> (-1.51%)	⬇️
pyuoi/decomposition/NMF.py	88.09% <94.44%> (+14.88%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update eaf35ff...ca9039a. Read the comment docs.

[JesseLivezey]

Other than those 2 docstrings, LGTM. The failing logistic test is something I'm going to fix. It's slightly too strict and not related to your changes.

[JesseLivezey]

For the fast/slow marks, do we need to make it so that the ones marked slow don't run on CI?

https://docs.pytest.org/en/latest/example/simple.html#control-skipping-of-tests-according-to-command-line-option

That could happen after this PR.

[ajtritt]

@JesseLivezey

For the fast/slow marks, do we need to make it so that the ones marked slow don't run on CI?

I just created #117 for this.

[JesseLivezey]

@ajtritt ready to merge?