message: Added comment clarifying possible unsupported sendfile header
diff: @@ -348,6 +348,9 @@ namespace Utils
  ssize_t remaining = inputStat.st_size;
  while(remaining > 0)
  {
  + // Copy file using sendfile because this is more efficient since copy is done in kernelspace
  + // Won't work in kernels older than 2.6.33 (glibc 2.1)
  + // If such systems must be supported, this method should be reimplemented using POSIX read/write methods or iostreams
  ssize_t copied = sendfile(outputHandle, inputHandle, NULL, remaining);
  if(copied == -1){
  close(inputHandle);
  