This makes it so that inspecting objects from other contexts works as expected.

Don't treat sys.inspect special, same with prototype objects.

Allow throttling from outgoing messages.

Improve test-fs-read-stream test.

Patch submitted to V8: http://codereview.chromium.org/2282003/show

Notes:
- Currently only accepts numeric user and group ids.
- No tests, as tests depend on getpwuid and getgrgid.
- No documentation, as there is no tests and this is experimental.

Test from Mark Hansen (mark at markhansen.co.nz)

And do proper utf8 encoding.

Make path.extname return an empty string also if:
- The last dot is not in the last path component
- The last dot starts the last path component

This patch makes buffers the preferred output for fs.read() and
fs.readSync(). The old string interface is still supported by
converting buffers to strings dynamically. This allows to remove the
C++ code for string handling which is also part of this patch.

This reverts commit cbbf9e43.

This patch makes buffers the preferred output for fs.read() and
fs.readSync(). The old string interface is still supported by
converting buffers to strings dynamically. This allows to remove the
C++ code for string handling which is also part of this patch.

There is a difference between errors which happen to a socket - like
receiving EPIPE - an exceptional situation but ultimately okay and the
situation where code throws in a callback - which is not okay.

Fixes test/simple/test-http-exceptions.js

TODO: explain this in docs.

Previously path.dirname('/tmp') incorrectly returned '.'.

Unfortunately module.js incorrectly thinks dirname('/a/b/') should
yield '/a/b', so I can't strip trailing slashes yet. Once module.js
is fixed, then the commented-out code should be activated and a test
written for it.