Support for Inheritance

[stlehmann]

Currently the mapper is not working with inherited QWidget classes. Do you have any plans for fixing this?

Here is my Traceback:

Traceback (most recent call last):
  File "C:/Users/Lehmann/data/python34/ustempctrl/run_ustempctrl.pyw", line 14, in <module>
    w = CtrlTestGui()
  File "C:\Users\Lehmann\data\python34\ustempctrl\ustempctrl\mainwindow.py", line 49, in __init__
    self.plotsettings = PlotSettingsWidget(self)
  File "C:\Users\Lehmann\data\python34\ustempctrl\ustempctrl\plotsettings.py", line 38, in __init__
    self.settings.add_handler('plot/xmin', self.xminSpinBox)
  File "C:\Users\Lehmann\data\python34\pyqtconfig\pyqtconfig\config.py", line 800, in add_handler
    assert False, "No handler-functions available for this widget type (%s)" % type(handler).__name__
AssertionError: No handler-functions available for this widget type (CoordSpinBox)