This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.
Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
This feature ensures session cookie lifespan is extended
when user is online.
Also decreases session timeout from 90 to 60 days.
Ensures all users (including logged on ones) get expiring sessions.
Sam Saffron
Bianca Nenciu
Guo Xiang Tan