Merge pull request #5 from mac2000/master

Update _introduction.md

Author: claudiosanches

source/includes/v2/_introduction.md

@@ -408,6 +408,7 @@ See the webhook resource section.
 ## Tools
 
 * [WooCommerce REST API Client Library](https://github.com/kloon/WooCommerce-REST-API-Client-Library) - A simple PHP client library by Gerhard Potgieter.
+* [WooCommerce API Client](https://github.com/mac2000/woo-commerce-api-client) - Guzzle wrapper around WooCommerce v2 API plus missign api helpers.
 * [CocoaRestClient](http://mmattozzi.github.io/cocoa-rest-client/) - A free, easy to use Mac OS X GUI client for interacting with the API, most useful when your test store has SSL enabled.
 * [Paw HTTP Client](https://itunes.apple.com/us/app/paw-http-client/id584653203?mt=12) - Another excellent HTTP client for Mac OS X.
 * [RESTClient, a debugger for RESTful web services](https://addons.mozilla.org/en-US/firefox/addon/restclient/) - Free Firefox add-on.