Contents:
Formula
Formula.elements
Formula.isotopes
Formula.parse_string()
Formula.split_groups()
Formula.parse_group()
Formula.merge_same()
Formula.index()
DensityResolver
DensityResolver.comment
DensityResolver.resolve_formula()
DensityResolver.resolve_elemental()
ResolverSLDDB
ResolverSLDDB.comment
ResolverSLDDB.resolve_formula()
ResolverSLDDB.resolve_elemental()