a utility class. git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@132 ed5b42cb-e716-0410-a449-f6a68f950b19
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@129 ed5b42cb-e716-0410-a449-f6a68f950b19