Psi4: fix for getting reference wavefunction type
Psi4: fix for getting reference wavefunction type

cclib/cclib,berquist/cclib,langner/cclib,cclib/cclib,ATenderholt/cclib,berquist/cclib,ATenderholt/cclib,langner/cclib,berquist/cclib,langner/cclib,cclib/cclib