Implemented FirstBit, Rol, Ror, and a generic NextPow2
Implemented FirstBit, Rol, Ror, and a generic NextPow2

szastupov/ustl,dgruss/ustl,PetteriAimonen/ustl,szastupov/ustl,Gerii/ustl,msharov/ustl,uusirant/ustl-cmake,Gerii/ustl,NoSuchProcess/ustl,PetteriAimonen/ustl,NoSuchProcess/ustl,PetteriAimonen/ustl,uusirant/ustl-cmake,msharov/ustl,dgruss/ustl