(author here) This was posted yesterday already [1], but seeing it twice here is an honour (especially since I am not the one posting it).<p>Let me know if I can answer some questions you might have.<p>[1] <a href="https://news.ycombinator.com/item?id=32713750" rel="nofollow">https://news.ycombinator.com/item?id=32713750</a>