Temporary relax on namelist rules. Need to improve it.
check_namelist_exist now runs on the dict, not the path to input.nml.
Ugly, ugly convert_inputnml_mom4_to_mom5().
Bugfix, forgot to copy().
Adding convert 4to5 on mom_namelist
Bugfix on mom4to5 convertion.
Note on 4to5 @ README.
Minor upgrade.