Record change in HISTORY.rst.
Record change in HISTORY.rst.

yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon,yungyuc/solvcon,solvcon/solvcon,yungyuc/solvcon,yungyuc/solvcon,yungyuc/solvcon,yungyuc/solvcon,solvcon/solvcon,solvcon/solvcon,solvcon/solvcon