======Move Command======
This command is being sent by the server to a subscriber whenever a node in the subscribed sub-tree is being moved to another parent in the sub-tree.

<code>
<subscription id> move <node id> <new parent id> <before id>
</code>
  * The ''subscription id'' is the id of the node on which the subscription was originally made.
  * The ''node id'' is the id of the new node.
  * The ''new parent id'' is the id of the new parent - may be the same as the current parent.
  * The ''before id'' is the id of the item after in the list. A value of -1 means "last".