[SmartCrawl Pro] readability support for Dutch language

It would be awesome if the readability Flesh Kincaid test supported Dutch. I'm trying to see if I can get my site running flawlessly on your plugins, thus making all others redundant and the site as lightweight as possible. However at this moment I would have to install Yoast again to get the readability up to standard…. Which is exactly what I don't want to do…