Update phantomjs dependency to v1.8.1. Closes gh-9.
Adding basic documentation.
Bumping version to 0.2.0 and publishing.

* Use PhantomJS 1.8.1.
Fix minor typo.
Add error handlers into example code.
Adding a few tests.
add node 0.10 to travis
quote version number for travis
removing version range for phantomjs and sticking with 1.8.2-0 until https://github.com/Obvious/phantomjs/issues/40 is resolved
Bumping phantomjs.