- Updates the API client version to 1.83
- Adds support to get/set/update a parent_node value on a node.
- Adds support to ask the API for a list of nodes which related.
- Adds support to filter query list by parent_node as well.
Change-Id: Iea24e96f0360c6e5ac61cb57ab0c6f5d47c57f2b