george/prediction_tracker: Manage and score predictions on arbitrary topics. @ 976166a7978c9a7076143f6e6101348c4385aae9

George C. Privon 976166a797 improve require formatting		6 年之前
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create_database.rkt	976166a797 improve require formatting	6 年之前
scoring_rules.rkt	c7a036e748 math library not needed for expt/log	6 年之前
update_predictions.rkt	976166a797 improve require formatting	6 年之前