update twitter api url to v1.1
Fix callback arguments documentation

Link to all the referenced core objects.
Remove obsolete `http.Client`.
Change `http.ClientResponse` to `http.IncomingMessage`.

Fixes #678.
Closes #721.
Merge pull request #736 from mmalecki/http-clientresponse

Fix callback arguments documentation
updating README example: cookie jar api changed cookie module changed to tough-cookie
Merge pull request #741 from emkay/example-typo

README example is using old cookie jar api
add note about JSON output body type
Merge pull request #742 from iansltx/master

Add note about JSON output body type
Use Cookie.parse

Using new Cookie(str) doesn't actually set the attributes in the cookie.
This is because Cookie takes in an object, and in our case we only
accept a string. Using Cookie.parse will return the appropriate
properties for the cookie.
updating setCookie example to make it clear that the callback is required
Merge pull request #745 from emkay/update-README-setCookie

updating setCookie example to make it clear that the callback is required
README: Markdown code highlight
Merge pull request #746 from weakish/patch-1

README: Markdown code highlight
Merge pull request #645 from mick/update_twitter_usage_example

update twitter api url to v1.1
require aws-sign2
2.31.0
2.31.1
Merge pull request #757 from mafintosh/patch-1

require aws-sign2
Merge pull request #744 from lalitkapoor/should-use-cookie-parse

Use Cookie.parse
Upgrade tough-cookie to 0.10.0

Allows more lenient parsing of cookie values.
Merge pull request #763 from stash/stash/tough-cookie-0.10.0

Upgrade tough-cookie to 0.10.0