User Authentication - Placement of code?

[eluser]RyanH[/eluser]
I don't mind sessions loading on every person that visits the site but I'm more concerned with tracking the users who log in. However to do that I have to somehow get the information to insert into the database, which it's not doing currently. I've even tried using one of the custom session classes that are available but even those didn't work correctly (though that was probably an error on my part). Either way, I hope sessions are worked on for CI 1.6.