Xavier Spriet

Results 2 issues of Xavier Spriet

I've set up a branch with updated assets on my fork [here](https://github.com/loginx/font-awesome-sass-rails/commit/55f5c94d3bfc855942fe3c9f715843c291607db3) but I haven't had time to port your compass strip so I haven't sent a pull request. Icons...

- `hasClass` was previously ignoring the `cssClass` argument entirely and only looking at `regExp` - Updated `hasClass` to use jquery-style matching to look for the css class name