upgrading cheerio from 0.9.2 to 0.10.5
updating the parseHtml method to not be reliant on url.  Also, changed $('html') to $.root() as to not assume we are digesting a full html doc.  Updating "README" with accurate example of how to use parseHtml
Merge pull request #2 from chadbaudoin/master

Updating parseHtml to handle an empty url, updating cheerio version and README