module directory has changed (eg. "darwin-2level" vs.
"darwin-thread-multi-2level").
binary packages of perl modules need to be distinguishable between
being built against threaded perl and unthreaded perl, so bump the
PKGREVISION of all perl module packages and introduce
BUILDLINK_RECOMMENDED for perl as perl>=5.8.5nb5 so the correct
dependencies are registered and the binary packages are distinct.
addresses PR pkg/28619 from H. Todd Fujinaka.
Class::XPath is a Perl module which adds XPath-style matching to
your object trees. This means that you can find nodes using an
XPath-esque query with match() from anywhere in the tree. Also,
the xpath() method returns a unique path to a given node which can
be used as an identifier.
