go get github.com/seehuhn/mt19937

rng := rand.New(mt19937.New())
rng.Seed(time.Now().UnixNano())

After a game, the screen isn't cleared/starmap isn't shown.

Need to redo storage. I want top runs, and monthly top runs.
Change date from unix timestamp to yyyymmdd. It sorts, and
is very easy to process.

Display scores doesn't do anything.  :P