Refresh all of the converters in the py4j library
        @return: True if all converters were succesfully updated

def _refresh_converters(self):
        """ Refresh all of the converters in the py4j library
        @return: True if all converters were succesfully updated
        """
        self._converters.clear()
        return reduce(lambda a, b: a and b, [self._add_converter(k) for k in list(self._xsltLibrary.keys())], True)