Set to repeat every x no. of days

        :param int interval: no. of days to repeat at
        :keyword date start: Start date of repetition (kwargs)
        :keyword date end: End date of repetition (kwargs)
        :keyword int occurrences: no of occurrences (kwargs)

def set_daily(self, interval, **kwargs):
        """ Set to repeat every x no. of days

        :param int interval: no. of days to repeat at
        :keyword date start: Start date of repetition (kwargs)
        :keyword date end: End date of repetition (kwargs)
        :keyword int occurrences: no of occurrences (kwargs)
        """
        self._clear_pattern()
        self.__interval = interval
        self.set_range(**kwargs)