+ changed direct grep of /etc/passwd to getent passwd.
+ rdiff helper has much better information on failed ssh attempt
+ (patch from cmccallum@thecsl.org).
+ rdiff handler now supports remote source and local dest.
+ (patch from cmccallum@thecsl.org).
+ man pages are greatly improved.
+ fixed many bugs in rdiff helper.
+ rdiff handler does not require 'label'
+