Fix #77.  The energy of beta orbitals in KUHF get_bands.
Fix #77.  The energy of beta orbitals in KUHF get_bands.

gkc1000/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf