Fix cs
	modifié:         core/lib/Thelia/Core/Event/SessionEvent.php
	modifié:         core/lib/Thelia/Core/EventListener/SessionListener.php
	modifié:         core/lib/Thelia/Core/TheliaKernelEvents.php
	modifié:         core/lib/Thelia/Model/CartItem.php
Merge pull request #451 from lovenunu/master

Fix cs