Try testing with 3.3 and Django 1.8

.travis.yml

@@ -2,6 +2,7 @@ language: python
 sudo: false
 python:
   - 2.7
+  - 3.3
   - 3.4
   - 3.5
   - 3.6

tox.ini

@@ -1,6 +1,7 @@
 [tox]
 envlist =
     begin
+    py33-django18-{sqlite,postgres,mysql}
     {py27,py34,py35}-django{18,19,110,111}-{sqlite,postgres,mysql}
     py36-django111-{sqlite,postgres,mysql}
     end
@@ -26,6 +27,7 @@ commands =
 [travis]
 python =
     2.7: begin, py27, end
+    3.3: begin, py33, end
     3.4: begin, py34, end
     3.5: begin, py35, end, flake8
     3.6: begin, py36, end