+bool DirectoryExists(string const &Path) __attrib_const;
+bool CreateDirectory(string const &Parent, string const &Path);
+std::vector<string> GetListOfFilesInDir(string const &Dir, string const &Ext,
+ bool const &SortList, bool const &AllowNoExt=false);
+std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> const &Ext,
+ bool const &SortList);