Update README.md

removed an extra semi-colon from first code block.
Update README.md

Removed second extraneous semi-colon.
Merge pull request #5 from JacobBennett/patch-1

Update README.md, extraneous semi-colons.
Instantize options

Under PHP 5.5 (at least), adding `null` to `Array` causes `Fatal error: Unsupported operand types`
Move array instantization of $options

from constructor to variable declaration.
Merge pull request #6 from mseymour/patch-1

Instantize options
Update RollingCurl.php to support curl_multi_setopt

Currently, RollingCurl.php doesn't support curl_multi_setopt which prevents users from using the associated options. I've added curl_multi_setopt support.
Merge pull request #7 from johnmadrak-wobo/patch-1

Update RollingCurl.php to support curl_multi_setopt
Change setCallback to rely on explicit type-checks rather than type-hinting - will allow named functions to be passed in as well.
Add missing phpdoc
Add use of curl_multi_select to avoid burning CPU. (see 7e8432f)
Update RollingCurl.php to define active as null
Update RollingCurl to use int of Curl Handle instead of string
Merge pull request #10 from johnmadrak-wobo/master

Switch to using integer of curl handle as key for activeRequests, Instantiate active as null
Merge branch 'master' of https://github.com/xiankai/rolling-curl into xiankai-master
Minor wording change
Merge branch 'xiankai-master'
Merge branch 'master' of https://github.com/stanishevsky/rolling-curl into stanishevsky-master
Inline note
Merge branch 'stanishevsky-master'