Files can now be auto-saved into a secure folder on the server.
This will prevent people from opening files that do not copmly with
their permissions.

Further, it's now possible to open all types of files in the partner dashboard.

Passwords will be hashed with the Argon2 library.
https://docs.djangoproject.com/en/1.10/topics/auth/passwords/#using-argon2-with-django

Also, new passwords will go through 'common-passwords-checks'. This will prevent
access to accounts using one of those common brute force password hackers around,
in case of a breach.