version
 
 v1.0 12/28/00      Initial release, freeware version.
 v1.1 01/02/00      Fixed bug in installation failing to create Dups folder
                    C:\Program Files\Prismatic_Software\DupDetecor\Dups
 v1.2 01/18/01      Fixed glitch that sometimes caused Next button to
                    point to the first log image after a file delete.
 v1.3 02/19/01      Modified matching algorithm.
 v2.0 5/03/01       Added match within a range.
                    Added match restriction on size or aspect ratio.
                    PhotoBatch and freeware version are now identical
                    except you would probably need PhotoBatch to
                    create and edit an image list.
 v2.1 5/6/01        Added an optional 'match method', Luminance
                    Added 'adjust color difference' that weights
                    contrast changes and edges over color differences. 