Given degree, minute, and second information, clean up the variables and make them
        consistent (for example, if minutes > 60, add extra to degrees, or if degrees is
        a decimal, add extra to minutes).

def _update(self):
        '''
        Given degree, minute, and second information, clean up the variables and make them
        consistent (for example, if minutes > 60, add extra to degrees, or if degrees is
        a decimal, add extra to minutes).
        '''
        self.decimal_degree = self._calc_decimaldegree(self.degree, self.minute, self.second)
        self.degree, self.minute, self.decimal_minute, self.second = self._calc_degreeminutes(self.decimal_degree)