I started a new game the other day and had a hut right near my scout. On popping it, I got a settler. I was actually just starting a game to test what happens with a build queue when you research a new tech (ie building catapults and finish researching steel - what happens to the cat and the associated hammers?) and was just planning to throw this game away. Guess what - I am keeping it and playing it out! I've attached my 4000BC save and the auto save at the start of the first round for info.