Copyright (c) 2001-2005, David N. Main, All rights reserved.
  
  Redistribution and use in source and binary forms, with or
  without modification, are permitted provided that the 
  following conditions are met:
 
  1. Redistributions of source code must retain the above 
  copyright notice, this list of conditions and the following 
  disclaimer. 
  
  2. Redistributions in binary form must reproduce the above 
  copyright notice, this list of conditions and the following 
  disclaimer in the documentation and/or other materials 
  provided with the distribution.
  
  3. The name of the author may not be used to endorse or 
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  prior written permission. 
  
  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY 
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  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
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  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.