Update docblock comments.
Update docblock comments.

Session is now under Cake\Network namespace.
CakePHP's SessionHandlerInterface has been replaced by the one provided by PHP itself.

QoboLtd/project-template-cakephp,makallio85/fish-diary,makallio85/fish-diary,ojengwa/cake-appengine,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,makallio85/fish-diary,ojengwa/cake-appengine,QoboLtd/project-template-cakephp