Add Django 3.0 support

Drop Django 2.0 and 2.1 support

Author: codingjoe

.travis.yml

@@ -3,14 +3,13 @@ dist: xenial
 python:
   - "3.6"
   - "3.7"
+  - "3.8"
 env:
-  - DJANGO=20-sqlite
-  - DJANGO=21-sqlite
   - DJANGO=22-sqlite
+  - DJANGO=30-sqlite
   - DJANGO=master-sqlite
-  - DJANGO=20-pg
-  - DJANGO=21-pg
   - DJANGO=22-pg
+  - DJANGO=30-pg
   - DJANGO=master-pg
 
 addons:

setup.cfg

@@ -13,16 +13,15 @@ classifier =
     Intended Audience :: Developers
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3 :: Only
     Topic :: Internet :: WWW/HTTP
     Topic :: Internet
     Framework :: Django
-    Framework :: Django :: 2.0
-    Framework :: Django :: 2.1
     Framework :: Django :: 2.2
+    Framework :: Django :: 3.0
 keywords = django, otp, password, email
 
 [options]
@@ -58,17 +57,16 @@ addopts = --cov=mailauth --cov-report xml --cov-report term-missing --tb=short
 DJANGO_SETTINGS_MODULE = tests.testapp.settings
 
 [tox:tox]
-envlist = py{36,37}-dj{22,11,master}-{sqlite,pg},docs
+envlist = py{36,37,38}-dj{22,30,master}-{sqlite,pg},docs
 depencies = psycopg2-binary
 
 [testenv]
 passenv=CI
 setenv =
     pg: DB=pg
 deps =
-    dj20: https://github.com/django/django/archive/stable/2.0.x.tar.gz#egg=django
-    dj21: https://github.com/django/django/archive/stable/2.1.x.tar.gz#egg=django
-    dj22: https://github.com/django/django/archive/stable/2.2.x.tar.gz#egg=django
+    dj22: django~=2.2
+    dj30: django~=3.0
     djmaster: https://github.com/django/django/archive/master.tar.gz#egg=django
     pg: psycopg2-binary
 commands = python setup.py test