Confirm support of django 1.11 and python 2.7 to 3.*#141

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joehybird wants to merge 3 commits intosebleier:masterfrom

joehybird:master

Commits on Jan 15, 2019

Fix issue in SetupMixin (crash when test packages are launch individualy). Fix issue due to integer overflow and python < 3 (converted to long). Fix redis version in order to have SCAN command.
joehybird
committed
Fix compatibility issue between python 2.* and 3.*
joehybird
committed
Add tox configuration.
joehybird
committed