Finishing docstrings onM2P_nonvec and P2P_nonvec in FMMutils.py
Finishing docstrings onM2P_nonvec and P2P_nonvec in FMMutils.py


Former-commit-id: 68a561f30a7e0886e6a6d08f68237c15441a3103
barbagroup/pygbe,barbagroup/pygbe,barbagroup/pygbe