get_challenge	get_challenge
list_challenges	list_challenges
register_challenge	register_challenge
rg_check_equal	rg_check_equal
rg_get_history	rg_get_history
rg_get_streak	rg_get_streak
rg_heatmap	rg_heatmap
rg_log_attempt	rg_log_attempt
rg_longest_streak	rg_longest_streak
rg_reset_history	rg_reset_history
rg_stats	rg_stats
run_challenge	run_challenge
