don't allow hystereiss >= 1.0. Fixes #627
don't allow hystereiss >= 1.0. Fixes #627

OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2,OpenPHDGuiding/phd2