Add support for Django 2.1

Author: David Grochowski

.travis.yml

@@ -11,6 +11,7 @@ python:
 env:
   - DJANGO="Django>=1.11,<1.12"
   - DJANGO="Django>=2.0,<2.1"
+  - DJANGO="Django>=2.1,<2.2"
 
 install:
   - pip install -U coverage codecov
@@ -26,5 +27,9 @@ matrix:
   exclude:
     - python: 2.7
       env: DJANGO="Django>=2.0,<2.1"
+    - python: 2.7
+      env: DJANGO="Django>=2.1,<2.2"
+    - python: 3.4
+      env: DJANGO="Django>=2.1,<2.2"
 
 after_success: codecov

README.rst

@@ -20,7 +20,15 @@ django-simple-history
 
 django-simple-history stores Django model state on every create/update/delete.
 
-This app supports Django 1.11 and 2.0 and Python 2.7, or 3.4 or greater.
+This app supports the following combinations of Django and Python:
+
+==========  ==================
+  Django      Python
+==========  ==================
+1.11        2.7, 3.4, 3.5, 3.6
+2.0         3.4, 3.5, 3.6
+2.1         3.5, 3.6
+==========  ==================
 
 Getting Help
 ------------

setup.py

@@ -27,6 +27,7 @@
         "Framework :: Django",
         "Framework :: Django :: 1.11",
         "Framework :: Django :: 2.0",
+        "Framework :: Django :: 2.1",
         "Programming Language :: Python",
         "Programming Language :: Python :: 2.7",
         'Programming Language :: Python :: 3',

tox.ini

@@ -2,6 +2,7 @@
 envlist =
     py{27,34,35,36}-django111,
     py{34,35,36}-django20,
+    py{35,36}-django21,
     py{35,36}-djangotrunk,
     docs, flake8
 
@@ -29,6 +30,7 @@ deps =
     coverage
     django111: Django>=1.11,<1.12
     django20: Django>=2.0,<2.1
+    django21: Django>=2.1,<2.2
     djangotrunk: https://github.com/django/django/tarball/master
 commands =
     coverage run -a --branch setup.py test