Converts the inputted dict tag to Python.
        
        :param      elem | <xml.etree.ElementTree>
        
        :return     <dict>

def load(self, elem):
        """
        Converts the inputted dict tag to Python.
        
        :param      elem | <xml.etree.ElementTree>
        
        :return     <dict>
        """
        self.testTag(elem, 'dict')

        out = {}
        for xitem in elem:
            key = xitem.get('key')
            try:
                value = XmlDataIO.fromXml(xitem[0])
            except IndexError:
                value = None
            out[key] = value
        return out