Sorry, this ended up being a duplicate post (other here: https://news.ycombinator.com/item?id=15482089 https://news.ycombinator.com/item?id=15482089). Due to th

Sorry, this ended up being a duplicate post (other here: https://news.ycombinator.com/item?id=15482089 https://news.ycombinator.com/item?id=15482089). Due to the procrastination setting on hackernews I thought I hadn't submitted the first one and ended up with a double post). If a moderator can delete this one, please do. Thanks