Add documentation for all fciqmc.py functions (outside of FCIQMCCI class).
Add documentation for all fciqmc.py functions (outside of FCIQMCCI class).

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