Add testing for Django 2.2

.travis.yml

@@ -21,13 +21,17 @@ matrix:
       env: TOXENV=django2-py35
     - python: "3.5"
       env: TOXENV=django21-py35
+    - python: "3.5"
+      env: TOXENV=django22-py35
 
     - python: "3.6"
       env: TOXENV=django111-py36
     - python: "3.6"
       env: TOXENV=django2-py36
     - python: "3.6"
       env: TOXENV=django21-py36
+    - python: "3.6"
+      env: TOXENV=django22-py36
 
     - python: "3.7"
       sudo: required
@@ -41,6 +45,10 @@ matrix:
       sudo: required
       dist: xenial
       env: TOXENV=django21-py37
+    - python: "3.7"
+      sudo: required
+      dist: xenial
+      env: TOXENV=django22-py37
     - python: "3.7"
       sudo: required
       dist: xenial

CHANGELOG.rst

@@ -1,6 +1,10 @@
 Changelog
 =========
 
+X.Y.Z
+-----
+#. Added testing for Django 2.2 (no code changes needed).
+
 2.0.2
 -----
 #. Moved field based Google dev key check to an app ready registered security check.

README.rst

@@ -12,7 +12,7 @@ Django reCAPTCHA
     :target: https://pypi.python.org/pypi/django-recaptcha
 .. image:: https://img.shields.io/pypi/djversions/django-recaptcha.svg
     :target: https://pypi.python.org/pypi/django-recaptcha
-   
+
 .. contents:: Contents
     :depth: 5
 
@@ -27,7 +27,7 @@ Requirements
 Tested with:
 
 * Python: 2.7, 3.5, 3.6, 3.7
-* Django: 1.11, 2.0, 2.1
+* Django: 1.11, 2.0, 2.1, 2.2
 
 Installation
 ------------

setup.py

@@ -16,7 +16,7 @@
     url='http://github.com/praekelt/django-recaptcha',
     packages=find_packages(),
     install_requires=[
-        'django>1.11,<2.3',
+        'django>1.11,<3.0',
     ],
     tests_require=[
         'tox',
@@ -25,6 +25,7 @@
     include_package_data=True,
     classifiers=[
         'Development Status :: 5 - Production/Stable',
+        'Framework :: Django :: 2.2',
         'Framework :: Django :: 2.1',
         'Framework :: Django :: 2.0',
         'Framework :: Django :: 1.11',

tox.ini

@@ -1,16 +1,17 @@
 [tox]
 envlist =
     pycodestyle-{py27,py37},
-    django{111,2,21}-{py27,py35,py36,py37}
+    django{111,2,21,22}-{py27,py35,py36,py37}
 
 [testenv]
 deps =
-    django{111,2,21}: coverage
+    django{111,2,21,22}: coverage
     django111: Django<2.0
     django2: Django<2.1
     django21: Django<2.2
+    django22: Django<3.0
     py27: -rcaptcha/tests/requirements/py27.txt
     pycodestyle: pycodestyle
 commands =
-    django{111,2,21}: coverage run manage.py test
+    django{111,2,21,22}: coverage run manage.py test
     pycodestyle: pycodestyle captcha/