Changes to Wikit Revision History between r6 and r15

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-2rsk.diff]. --> Small patch to enable revision history to be stored in the Wikit TKD file.
(blank line)
This has only been tested with the CGI interface.
(blank line)
'''Cumulative Patches'''
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-1rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-2rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-3rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-4rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-5rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-6rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-7rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-8rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-9rsk.diff
(blank line)
'''Incremental Patches'''
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-3_to_4rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-4_to_5rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-5_to_6rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-6_to_7rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-7_to_8rsk.diff
   * http://www.rkeene.org/projects/info/resources/projects/wikit/revisions/wikit-revs-8_to_9rsk.diff

Legend

     Only in r6
     Only in r15
     -->      Modified slightly between r6 and r15