Compatibility Django 2.1

CHANGES

@@ -1,3 +1,6 @@
+0.3.15 (2019-04-05)
+    - Compatibility Django 2.2
+
 0.3.14 (2019-03-25)
     - Added French translation
     - Added German translation

runtests.py

@@ -15,6 +15,7 @@ settings.configure(
         'django.contrib.sites',
         'django.contrib.admin',
         'django.contrib.sessions',
+        'django.contrib.messages',
         'rangefilter',
     ),
     DATABASES={
@@ -23,7 +24,30 @@ settings.configure(
     TEST_RUNNER='django.test.runner.DiscoverRunner',
     USE_TZ=True,
     TIME_ZONE='UTC',
+    SITE_ID=1,
     STATIC_URL='/static/',
+    TEMPLATES=[
+        {
+            'BACKEND': 'django.template.backends.django.DjangoTemplates',
+            'APP_DIRS': True,
+            'OPTIONS': {
+                'debug': True,
+                'context_processors': [
+                    'django.contrib.auth.context_processors.auth',
+                    'django.contrib.messages.context_processors.messages',
+                ],
+            }
+        },
+    ],
+    MIDDLEWARE=(
+        'django.middleware.common.CommonMiddleware',
+        'django.contrib.sessions.middleware.SessionMiddleware',
+        'django.contrib.auth.middleware.AuthenticationMiddleware',
+        'django.contrib.messages.middleware.MessageMiddleware',
+    ),
+    PASSWORD_HASHERS=(
+        'django.contrib.auth.hashers.MD5PasswordHasher',
+    ),
 )
 
 django.setup()