Passing complete set or aguments to PyQt render method.
This resolves a bug with Qt running in Houdini where keyword argument
accessors for the QWidget.render calls were not recognized.
Interestingly, this seems to be a discrepancy between different versions
of PyQt - and pyside is different altogether.
Merge branch 'master' of ssh://git@github.com/shotgunsoftware/tk-framework-shotgunutils.git