Have the default `end()` function call `write()` on 'this' stream, instead of the parent stream when data is passed to be written.
Have the default `end()` function call `write()` on 'this' stream, instead of the parent stream when data is passed to be written.

This is more the expected behavior, and makes it such that only `write()` needs to be redefined on subclasses, rather than both `write()` AND `end()`.

TooTallNate/node-stream-stack