* Add tag dates to XML output

  patch contributed by Simon Josefsson <jas@extundo.com>
* Fix quoting for cvs log command (fork & exec)
* Determine branch-members in _revision_is_wanted with regex to include
  branches to 10+ revisions
* Fix non-working --prune option
* Add note about use of suidperl for CGI
  words contributed by Andrew Cutler <andrew.cutler@pag.com.au>
* Correct sense of --no-ancestors
  patch contributed by Steve Glow <sglow@embeddedintelligence.com>