Member nuspell::Dictionary::load_from_aff_dic (std::istream &aff, std::istream &dic) -> Dictionary

Use new non-static member function load_aff_dic(std::istream&,std::istream&).

Member nuspell::Dictionary::load_from_path (const std::string &file_path_without_extension) -> Dictionary

Use new non-static member function load_aff_dic(const std::filesystem::path&). Note that the new function takes path WITH .aff extension.