fix(Travis): Update test matrix

Author: PLNech

.gitignore

@@ -55,3 +55,10 @@ docs/_build/
 
 # PyBuilder
 target/
+
+# IDE files
+.idea/*
+*.iml
+
+# PyENV
+.python-version

.travis.yml

@@ -10,12 +10,11 @@ env:
   matrix:
   - TOXENV=py27-django17
   - TOXENV=py27-django18
-  - TOXENV=py32-django17
-  - TOXENV=py32-django18
   - TOXENV=py33-django17
   - TOXENV=py33-django18
   - TOXENV=py34-django17
   - TOXENV=py34-django18
+  - TOXENV=py36-django18
   - TOXENV=coveralls
   global:
   - secure: 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