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.
Schedule::RateLimiter provides a way to voluntarily restrict how many
times a given action may take place within a specified time frame.
Such a tool may be useful if you have written something which periodically
polls some public resource and want to ensure that you do not overburden
that resource with too many requests.
