support Django 2.2 + bump version 0.2.1

Author: mjnaderi

.travis.yml

@@ -38,12 +38,12 @@ matrix:
     - python: 3.7
       env: DJANGO=2.1
 
-#    - python: 3.5
-#      env: DJANGO=2.2
-#    - python: 3.6
-#      env: DJANGO=2.2
-#    - python: 3.7
-#      env: DJANGO=2.2
+    - python: 3.5
+      env: DJANGO=2.2
+    - python: 3.6
+      env: DJANGO=2.2
+    - python: 3.7
+      env: DJANGO=2.2
 
     - python: 3.6
       env: DJANGO=master

README.rst

@@ -39,22 +39,22 @@ Here is a brief comparison between Django's session backends (db, cache, cached_
 
 
 
-Requirements
-============
-
-+----------------+----------------------+
-| Python version | Django versions      |
-+================+======================+
-| 3.7            | 2.0, 2.1             |
-+----------------+----------------------+
-| 3.6            | 1.10, 1.11, 2.0, 2.1 |
-+----------------+----------------------+
-| 3.5            | 1.10, 1.11, 2.0, 2.1 |
-+----------------+----------------------+
-| 3.4            | 1.10, 1.11, 2.0      |
-+----------------+----------------------+
-| 2.7            | 1.10, 1.11           |
-+----------------+----------------------+
+Compatibility
+=============
+
++----------------+---------------------------+
+| Python version | Django versions           |
++================+===========================+
+| 3.7            | 2.0, 2.1, 2.2             |
++----------------+---------------------------+
+| 3.6            | 1.10, 1.11, 2.0, 2.1, 2.2 |
++----------------+---------------------------+
+| 3.5            | 1.10, 1.11, 2.0, 2.1, 2.2 |
++----------------+---------------------------+
+| 3.4            | 1.10, 1.11, 2.0           |
++----------------+---------------------------+
+| 2.7            | 1.10, 1.11                |
++----------------+---------------------------+
 
 Installation
 ============

setup.py

@@ -16,7 +16,7 @@
 
 setup(
     name='django-qsessions',
-    version='0.2.0',
+    version='0.2.1',
     description='Extends Django\'s cached_db session backend',
     long_description=README,
     author='Mohammad Javad Naderi',

tox.ini

@@ -28,7 +28,7 @@ deps=
     dj111: Django>=1.11,<2.0
     dj20: Django>=2.0,<2.1
     dj21: Django>=2.1,<2.2
-    dj22: Django>=2.2,<2.3
+    dj22: Django>=2.2.1,<2.3
     djmaster: https://github.com/django/django/archive/master.tar.gz
 ignore_outcome =
     djmaster: True