extern std::string error_details(boost::system::error_code ec);
extern bool contains_assetmap(boost::filesystem::path dir);
extern std::string word_wrap(std::string input, int columns);
extern std::string error_details(boost::system::error_code ec);
extern bool contains_assetmap(boost::filesystem::path dir);
extern std::string word_wrap(std::string input, int columns);