anchor.diff:  /// <param name="files">The original FileNames as a sequence.</param>
   let Copy target files = 
       files      
  -      |> doParallel (CopyFile target) 
  -      |> ignore
  +      |> Seq.iter (CopyFile target)
   
   /// Copies the files from a cache folder.
   /// If the files are not cached or the original files have a different write time the cache will be refreshed.
  
positive.code:   
  let SilentCopy target files =
      files
      |> doParallel (fun file ->
              let fi = fileInfo file
              let targetName = target @@ fi.Name
              let targetFI = fileInfo targetName
  
negative.code:                   fi.CopyTo(targetName,true) |> ignore
              else
                  fi.CopyTo(targetName) |> ignore)
                 
  
  /// <summary>Copies the files to the target - Alias for Copy</summary>
  