2010.05.29, Version 0.1.97

* HTTP throttling: outgoing messages emit 'drain' and write() returns false
  when send buffer is full.

* API: readFileSync without encoding argument now returns a Buffer

* Improve Buffer C++ API; addons now compile with debugging symbols.

* Improvements to  path.extname() and REPL; add fs.chown().

* fs.ReadStream now emits buffers, fs.readFileSync returns buffers.

* Bugfix: parsing HTTP responses to HEAD requests.

* Port to OpenBSD.

* Upgrade V8 to 2.2.12, libeio, http-parser.
