Refactoring Control in terms of Parameter.
Refactoring Control in terms of Parameter.

This is in preparation for handling array parameters.

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