george/prediction_tracker: Manage and score predictions on arbitrary topics.

George C. Privon 23e8a801ca re-format(indent) code		il y a 5 ans
..
create_database.rkt	976166a797 improve require formatting	il y a 6 ans
scoring_rules.rkt	7d3b4d3c4a type annotations, more appropriate computation of log score	il y a 6 ans
update_predictions.rkt	23e8a801ca re-format(indent) code	il y a 5 ans