Codeigniter Session on Azure: a lot of problems

[eluser]Unknown[/eluser]
Hi,
i'm trying to use Codeigniter Framework on Microsoft Azure. I created a virtual machine with LAMP server and MongoDB and upload my code (that work on localhost MAMP).

On the VM's Azure there is a lot of problems: the session id is change every time i sent a form data!!!

I have found this library https://github.com/thomasantony/codeigniter-azure to workaround the session problem (i think), i have load it (successful...i think) but nothing change; there is no examples or how to use it.