Giving access to recognizedOptions from parser

Hello,

Here's a small contribution in order to resolve #38. I wrote a small test class (sorry, I didn't covered many cases, if you want me to write some more tests, just let me know ;))

Don't hesitate to give some feedbacks if you'd like some modifications. Otherwise, please don't hesitate to let me know when this can be published on Maven Central ;)

Thanks a lot for your help :)