How can I fix bug "(#154) - CI_Session" now, before 3.0 release...

[eluser]warpspasm[/eluser]
Hi Everyone,

I'm running 2.0.3 and I urgently need to fix bug (#154) - CI_Session:ess_update() caused the session to be destroyed on pages where multiple AJAX requests were executed at once.

Could anyone guide me through fixing it on my 2.0.3 installation. I'd upgrade to 3.0, but I have a live site, so the 3.0-dev seems a little unstable probably.

Thanks!