Add tag for order in spinor hamiltonian
For spinor hamiltonian, there are two kind of order: orb1_up, orb2_up, .... orb1_dn.... and orb1_up, orb1_dn, ....
A tag should be provided.
For spinor hamiltonian, there are two kind of order: orb1_up, orb2_up, .... orb1_dn.... and orb1_up, orb1_dn, ....
A tag should be provided.