Doctest

[tony]

Add doctest w/ pytest + doctest

[codecov]

Codecov Report

Merging #321 (3e8d83c) into master (edb4990) will decrease coverage by 2.82%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #321      +/-   ##
==========================================
- Coverage   87.11%   84.29%   -2.83%     
==========================================
  Files          15       16       +1     
  Lines         885      936      +51     
==========================================
+ Hits          771      789      +18     
- Misses        114      147      +33     

Impacted Files	Coverage Δ
libvcs/shortcuts.py	100.00% <ø> (ø)
libvcs/states/base.py	100.00% <ø> (ø)
libvcs/states/git.py	75.19% <ø> (+1.18%)	⬆️
tests/states/test_git.py	99.33% <ø> (-0.04%)	⬇️
docs/conf.py	59.09% <100.00%> (ø)
tests/states/test_base.py	100.00% <100.00%> (ø)
tests/states/test_svn.py	93.33% <100.00%> (-1.91%)	⬇️
libvcs/states/constants.py	100.00% <0.00%> (ø)

---

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 edb4990...3e8d83c. Read the comment docs.