'Returns a list of tuples containing the details of all additional help
sources configured, or an empty list if there are none. Tuples are of
the format returned by GetExtraHelpSourceList.'

def GetAllExtraHelpSourcesList(self):

    allHelpSources = (self.GetExtraHelpSourceList('default') + self.GetExtraHelpSourceList('user'))
    return allHelpSources
