public static void UnPackFolder(string inpath, string outpath, ProgressDelegate progress)
 {
     UPKFolder.UnPackFolder(new FileChangeInfo
     {
         inpath           = inpath,
         outpath          = outpath,
         progressDelegate = progress
     });
 }
 public static void PackFiles(string foldername, string[] inpaths, string outpath, ProgressDelegate pregress)
 {
     UPKFolder.PackFolder(new FilesChangeInfo
     {
         foldername       = foldername,
         inpaths          = inpaths,
         outpath          = outpath,
         progressDelegate = pregress
     });
 }