added Connection::getDriver()
added Connection::getDriver()

Mikulas/dbal,dyamon-cz/nextras-dbal,dyamon-cz/nextras-dbal,Mikulas/dbal,nextras/dbal,nextras/dbal,Mikulas/dbal,jasir/dbal,jasir/dbal,dyamon-cz/nextras-dbal,jasir/dbal,nextras/dbal