minor improvements for dsverifier v2.0
minor improvements for dsverifier v2.0

hussamaibrahim/dsverifier,hussamaibrahim/dsverifier,ssvlab/dsverifier,hussamaibrahim/dsverifier,ssvlab/dsverifier,hussamaibrahim/dsverifier,ssvlab/dsverifier,ssvlab/dsverifier,hussamaibrahim/dsverifier,ssvlab/dsverifier,ssvlab/dsverifier,ssvlab/dsverifier,hussamaibrahim/dsverifier