Added possibility to retrieve the current session for the current user thread.
Added parent link pointing to the node containing this sub-element container.
Added parent link.
Added fallback language when getting session.
Fixed byPath retrieval that got broken by addition of workspace and language in URI.
Added todos.
Marked inclusion of workspace and language as done.
Added documentation for parent link.
Renamed multiple to multiValued.
Documented the reference field of properties.