SA-CASSCF grads class keep convergence and vector
SA-CASSCF grads class keep convergence and vector

Store the boolean "converged" and the Lagrange-multiplier vector
"Lvec" as members of the Gradients class so that they can be
interacted with after the calculation.

sunqm/pyscf,sunqm/pyscf,sunqm/pyscf,sunqm/pyscf