Django Qsessions Versions Save

• Add Django 4.1 support.
• Drop support for Python 3.6.
• Drop support for Django 2.2, 3.0, 3.1.

• Add django 4.0 support.
• Remove django 1.11, 2.0, 2.1 support.

Use gettext_lazy instead of ugettext_lazy

Link to user in admin page

Fix N+1 problem in admin page by adding user to select_related.

I think everything is OK for releasing 1.0.0 since django-qsessions is working fine in production for long time.

• Drop support for Django 1.10.
• Drop support for Python 3.5, since its end of life is near. Plus, maxminddb doesn't support 3.5 anymore.
• Add Django 3.1 to support matrix.

• Drop support for Python 2.
• Use ipware.get_client_ip instead of ipware.ip.get_real_ip (which is removed since django-ipware==3.0.0)
• Format source code using black

Updated download_geoip_db management command to use new Maxmind download URLs, and provide license key.

• Added Django 3.0 to support matrix.
• Remove Python 3.4 from support matrix.