Added testing for Django 2.1

@@ -10,12 +10,16 @@ matrix:
     - python: 3.5
       env: TOXENV=py35-django-20
     - python: 3.5
+      env: TOXENV=py35-django-21
+    - python: 3.5
       env: TOXENV=py35-django-master
     - python: 3.6
       env: TOXENV=py36-django-111
     - python: 3.6
       env: TOXENV=py36-django-20
     - python: 3.6
+      env: TOXENV=py36-django-21
+    - python: 3.6
       env: TOXENV=py36-django-master
   allow_failures:
     - env: TOXENV=py35-django-master

@@ -7,7 +7,7 @@ X.Y.Z (YYYY-MM-DD)
 ------------------
 
 * Added testing for Python 3.6.
-* Confirmed support for Django 2.0.
+* Confirmed support for Django 2.0 and 2.1.
 * Dropped support for Django < 1.11.
 
 1.8.0 (2017-02-03)

@@ -25,6 +25,7 @@ setup(
         'Framework :: Django',
         'Framework :: Django :: 1.11',
         'Framework :: Django :: 2.0',
+        'Framework :: Django :: 2.1',
         'Intended Audience :: Developers',
         'Natural Language :: English',
         'License :: OSI Approved :: BSD License',

@@ -2,6 +2,7 @@
 envlist =
     py{27,34,35,36}-django111
     py{34,35,36}-django20
+    py{35,36}-django21
     py{35,36}-master
 
 [testenv]
@@ -16,4 +17,5 @@ setenv=
 deps=
     django-111: Django>=1.11a1,<2.0
     django-20: Django>=2.0a1,<2.1
+    django-21: Django>=2.1a1,<2.2
     django-master: https://github.com/django/django/archive/master.tar.gz