Log Message:
py-django-sekizai: updated to 1.1.0

1.1.0:
Added support for Django 3.0
Added support for Python 3.8
Extended test matrix
Added isort and adapted imports
Adapted code base to align with other supported addons
Adapted README.rst instructions

1.0.0:
Added support for Django 1.11, 2.0, 2.1, and 2.2
Removed support for Django < 1.11