WSSQL-18 Zero not recognized as int
- restructured grammar index_hint parse rule

Signed-off-by: rpastrana <rodrigo.pastrana@lexisnexis.com>
#INTERNAL update seq number
Signed-off-by: rpastrana <rodrigo.pastrana@lexisnexis.com>
Signed-off-by: rpastrana <rodrigo.pastrana@lexisnexis.com>
Merge pull request #16 from rpastrana/WSSQL-18-zero-not-recognized

Wssql 18 zero not recognized