Creates a folder named name and located in path, containing binary save files,
so that the given "EQRN" object fit_eqrn can be loaded back in memory from disc using EQRN_load().
Creates a folder named name and located in path, containing binary save files,
so that the given "EQRN" object fit_eqrn can be loaded back in memory from disc using EQRN_load().