isaacs 2b9e09b00a Add flow control
Not in the "async/fibers/coro" sense of flow control, but in the TCP
backpressure sense.

Pause the stream when a write isn't flushed, and then resume it once the
writable stream drains.
2011-09-08 14:06:14 -07:00
..
2011-09-08 14:06:14 -07:00