This program is public domain (freeware). It can be distributed freely, but cannot be sold or packaged with commercial products. The author, John Philo, asks only that you cite it properly when you publish your results. You, the user, agree to use it entirely at your own risk. This program is provided "as-is", and there are no warranties of any kind, either implied or statutory. Good data processing procedure dictates that any program should be thoroughly tested by the user with non-critical data before the user relies on it.  John Philo disclaims all other warranties with respect to this software, either expressed or implied, including, but not limited to, implied warranties of merchantability, fitness for a particular purpose, and non-infringement of third party rights.