Find all items that matches your a column/value.

            :param column: column to search.
            :param value: value to look for in `column`.
            :param limit: How many rows to fetch.
            :param order_by: column on which to order the results. \
            To change the sort, prepend with < or >.

def find_by(self, column=None, value=None, order_by=None, limit=0):
        """
            Find all items that matches your a column/value.

            :param column: column to search.
            :param value: value to look for in `column`.
            :param limit: How many rows to fetch.
            :param order_by: column on which to order the results. \
            To change the sort, prepend with < or >.

        """
        with rconnect() as conn:
            if column is None or value is None:
                raise ValueError("You need to supply both a column and a value")

            try:
                query = self._base()
                if order_by is not None:
                    query = self._order_by(query, order_by)
                if limit > 0:
                    query = self._limit(query, limit)
                query = query.filter({column: value})
                log.debug(query)
                rv = query.run(conn)
            except Exception as e:
                log.warn(e)
                raise
            else:
                data = [self._model(_) for _ in rv]
                return data