Add missing django 2.0 tox tests

[audiolion]

No description provided.

[codecov-io]

Codecov Report

Merging #156 into master will increase coverage by 0.6%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #156     +/-   ##
=========================================
+ Coverage   82.73%   83.33%   +0.6%     
=========================================
  Files          19       19             
  Lines         498      498             
=========================================
+ Hits          412      415      +3     
+ Misses         86       83      -3

Impacted Files	Coverage Δ
src/auditlog/mixins.py	80.32% <0%> (+3.27%)	⬆️
src/auditlog/compat.py	85.71% <0%> (+14.28%)	⬆️

---

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 560e202...06bdade. Read the comment docs.

[jjkester]

You can merge it once the tests have finished :)