support streaming them as bytes.
It's better than writing a modified UTF String, but
it'd be even nicer if we could avoid the short to read the class name
(Enums are final), but I suppose we still have to know whether one is null
or not. Hm.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5920 542714f4-19e9-0310-aa3c-eee0fc999fb1
Dave Hoover