Read headers in batch on getRows() (#693)

* Get header on batch when reading without header loaded * Add tests * Added await to processHeader function as failure would cause an unhandleRejection error and crash the BB server * Adding yarn.lock, publishing new named version. --------- Co-authored-by: Dean <deanhannigan@gmail.com> Co-authored-by: Michael Drury <me@michaeldrury.co.uk>

Author: 3 people