Added Node.parentage and setter for Node.name.
Added Node.parentage and setter for Node.name.

Pulgama/supriya,Pulgama/supriya,andrewyoung1991/supriya,andrewyoung1991/supriya,Pulgama/supriya,josiah-wolf-oberholtzer/supriya,Pulgama/supriya,andrewyoung1991/supriya