laravel/laravel — pull request #556 by ProgerXP (2012-04-19 06:30:16+00:00)
Title: Fixed hang-up of the cookie session driver

Mentioned on the forum first: http://forums.laravel.com/viewtopic.php?id=969

This is somewhat critical because there were people on the IRC asking about this bug, and I saw my visitors' requests failing with script exec time limit exceeding too.