Added testing target for Django 1.11

@@ -9,6 +9,9 @@ env:
 - TOXENV=py27-django110
 - TOXENV=py34-django110
 - TOXENV=py35-django110
+- TOXENV=py27-django111
+- TOXENV=py34-django111
+- TOXENV=py35-django111
 - TOXENV=py34-django-master
 - TOXENV=py35-django-master
 matrix:

 [tox]
 envlist =
-    py{27,34,35}-django1{8,9,10}
+    py{27,34,35}-django1{8,9,10,11}
     py{34,35}-master
 
 [testenv]
@@ -14,5 +14,6 @@ setenv=
 deps=
     django-18: Django>=1.8,<1.9
     django-19: Django>=1.9a1,<1.10
-    django-110: Django>=1.10a1,<1.11
+    django-110: Django>=1.10,<1.11
+    django-111: Django>=1.11a1,<2.0
     django-master: https://github.com/django/django/archive/master.tar.gz