add support for Django 2.1
Created by: rjw57
No code changes but update setup.py to allow Django 2.1 and add django 2.1 to the travis configuration. Do not add Python 3.7 for the moment until Travis' 3.7 support is more mature.
Created by: rjw57
No code changes but update setup.py to allow Django 2.1 and add django 2.1 to the travis configuration. Do not add Python 3.7 for the moment until Travis' 3.7 support is more mature.