R1:36103dfa182c

Update Auth for handleRequest

Summary: Updates Auth app for handleRequest

Test Plan: Tested what I could, Log in, Log out, Change Password, New account, Verify account... but extra eyes very helpful here.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T8628

Differential Revision: https://secure.phabricator.com/D13748