Added a factory method for creation of PygletWindow
Added a factory method for creation of PygletWindow

NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock