Bump flask-login from 0.4.1 to 0.5.0

Bumps flask-login from 0.4.1 to 0.5.0.

Changelog

Sourced from flask-login's changelog.

Version 0.5.0

Released on February 9th, 2020

• New custom test client: flask_login.FlaskLoginClient. You can use this to write clearer automated tests. #431
• Prefix authenticated user_id, remember, and remember_seconds in Flask Session with underscores to prevent accidental usage in application code. #470
• Simplify user loading. #378
• Various documentation improvements. #393, #394, #397, #417
• Set session ID when setting next. #403
• Clear session identifier on logout. #404
• Ensure use of a safe and up-to-date version of Flask.
• Drop support of Python versions: 2.6, 3.3, 3.4 #450

Commits

• d4fa753 specify doc filetype
• 4745461 annotate release
• 5357733 update change log
• 3cad623 mark v0.5.0
• 1d1a3a8 prefix internal session keys with underscore (#470)
• 5fce013 unittest2 was only needed for Python 2.6 (#451)
• 9dafc65 Drop support for Python 2.6, 3.3, 3.4 (#450)
• 30735a3 Merge pull request #446 from makeworld-the-better-one/patch-1
• dc6103a Updated dead link
• fd2f3f9 Merge pull request #436 from singingwolfboy/version-1.0
• Additional commits viewable in compare view