dd_rhelp THANKS file

dd_rhelp has originally been written by Valentin LAB.
dd_rescue has originally been written by Kurt Garloff.

  Many people further contributed to dd_rhelp by reporting problems, suggesting
various improvements or submitting actual code.  Here is a list of these
people. Hopin' that I'm forgetting nobody...

Michael Lucas (for asking good questions)
Asheesh Laroia (help for the Darwin / Mac OS X support)
Pätrick Guillot (for reminding me the problem with my obsoletes head/tail arguments as others)
John Schlerf (for pointing out some bugs)
Jim Wiedman (for pointing out some bugs)
Seunghun Thomas Lee (for posting a BSD sed/stat compliant dd_rhelp)
Ned Konz (for a MacOSX bug report and correction)
Szilard Lovas <lovas.szilard@gmail.com> (for pointing out some bugs)

And big thanks to all those from which I've received mail !

