Changes to "Wikit Revision History" between r0 and r1

Changes to Wikit Revision History between r0 and r1

Small patch to enable revision history to be stored in the Wikit TKD file:
* http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revisions-1rsk.diff
(blank line)
This has only been tested with the CGI interface.

Legend

     Only in r0
     Only in r1
     -->      Modified slightly between r0 and r1