BFBaseDataNode Constructor for BFBaseDataNode class
    OBJ = BFBaseDataNode(SESSION, 'id', 'name', 'type') creates an
    instance of the class BFBaseDataNode. SESSION is an instance of
    BFSESSION class, 'id' is the Blackfynn id of the object, 'name'
    is the name of the datanode, and type is the type of datanode.