Use Travis

.travis.yml

@@ -0,0 +1,6 @@
+language: node_js
+node_js:
+  - 6.1
+  - 4.4
+  - 0.12
+  - 0.10

README.md

@@ -2,7 +2,8 @@
 
 An asynchronous client library for the Twitter [REST](https://dev.twitter.com/rest/public) and [Streaming](https://dev.twitter.com/streaming/overview) API's.
 
-[![wercker status](https://app.wercker.com/status/624dbe8ad011852d1e01d7dc03941fc5/s/master "wercker status")](https://app.wercker.com/project/bykey/624dbe8ad011852d1e01d7dc03941fc5) [![NPM](https://nodei.co/npm/twitter.png?mini=true)](https://nodei.co/npm/twitter/)
+[![Build Status](https://travis-ci.org/desmondmorris/node-twitter.svg?branch=master)](https://travis-ci.org/desmondmorris/node-twitter)
+ [![NPM](https://nodei.co/npm/twitter.png?mini=true)](https://nodei.co/npm/twitter/)
 
 ```javascript
 var Twitter = require('twitter');