Checks whether for this day are information stored.

            :param date: Date of the day
            :type date: datetime.date
            :rtype: bool

def hasMealsFor(self, date):
        """ Checks whether for this day are information stored.

            :param date: Date of the day
            :type date: datetime.date
            :rtype: bool"""
        date = self._handleDate(date)
        if date not in self._days or self._days[date] is False:
            return False
        return len(self._days[date]) > 0