Updated the twitter oauth dance. The comments weren't clear. Also removed token_key. No longer needed with twitter oauth.
Forgot to remove token_secret; no longer needed for twitter.
correct Host header for proxy tunnel CONNECT
Merge pull request #374 from ypocat/master

Correct Host header for proxy tunnel CONNECT
If one of the request parameters is called "timestamp", the "oauth_timestamp" OAuth parameter will get removed during the parameter cleanup loop.
Merge pull request #375 from jplock/oauth_timestamp_fix

Fix for missing oauth_timestamp parameter
Fixed headers piping on redirects
Merge pull request #376 from kapetan/master

Headers lost on redirect
Resolving the Invalid signature when using "qs"
fixes missing host header on retried request when using forever agent
Merge pull request #380 from mac-/master

Fixes missing host header on retried request when using forever agent
Merge pull request #381 from landeiro/master

Resolving "Invalid signature. Expected signature base string: "
Ensure that uuid is treated as a property name, not an index.
Merge pull request #388 from othiym23/master

Ensure "safe" toJSON doesn't break EventEmitters
Add more reporting to tests

This was useful for me when I was testing `request` with `streams2`.
Merge pull request #398 from mmalecki/test-reporting

Add more reporting to tests
Optimize environment lookup to happen once only

`process.env` lookup results in a synchronous syscall to `getenv()`,
thus should be avoided in hot code.

Add `request.debug` to allow setting debugging mode at runtime.
Merge pull request #403 from mmalecki/optimize-env-lookup

Optimize environment lookup to happen once only
renaming tests/googledoodle.png to match it's actual image type of jpeg
Add more auth options, including digest support

Add the capability to specify auth username and password in request
options or via Request.prototype.auth, as well as whether they should be
sent immediately as Basic authorization (set this to false when using
digest authentication).

Conflicts:
	main.js