Added conversion of DBAL constants to PDO ones for PDOStatement
Added conversion of DBAL constants to PDO ones for PDOStatement

lcobucci/dbal,BenMorel/dbal,mikeSimonson/dbal,deeky666/dbal,stof/dbal,mikeSimonson/dbal,deeky666/dbal,doctrine/dbal,vutung2311/dbal,lcobucci/dbal,drieschel/dbal,drieschel/dbal,doctrine/dbal,vutung2311/dbal,stof/dbal,BenMorel/dbal