Added dummydrivers class to simplify some examples
Added dummydrivers class to simplify some examples

LabPy/lantz_qt,LabPy/lantz,LabPy/lantz_qt,LabPy/lantz_qt,varses/awsch,LabPy/lantz,varses/awsch,LabPy/lantz,LabPy/lantz