octplot THANKS file

octplot has originally been written by Shai Ayal.

Many people have further contributed to Octplot by reporting problems, 
suggesting various improvements, or submitting actual code. Here is
a list of these people. Help me keep it complete and exempt of errors.

Shai Vaingast
Michael Schmid 
Thomas Weber
Benjamin Lindner
Peter Jensen
Rafael Laboisiere
Victor Munoz

