Rename list_objects_open back to list_objects
Rename list_objects_open back to list_objects

We also implement list_objects_open, list_objects_more and list_objects_close to enable us to handle large amounts of objects

ceph/phprados,jgalvez/phprados,gdvyas/phprados,jgalvez/phprados,wenduo/phprados,mihu/phprados,gdvyas/phprados,wenduo/phprados,ceph/phprados,ceph/phprados,mihu/phprados