add status codes

ENG-23794, remove sha1 support from go client (#86)

No protocol version 0

ENG-26690: handle URL parsing errors (#85)

Eng 23547 data race 1 (#84)

* ENG-23547: fix most common data race detected by voltdb-operator e2e tests

ENG-22805: ensure correct validation of server certificate (#83)

* ENG-22805: ensure correct validation of server certificate

format code. (#81)

Add connectTimeout (#80)

* Add connectTimeout

* Cleanup.

* Cleanup2

Handle no connection. (#79)

UpperCase col names. (#78)

Print error only. (#76)