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Made a nice background effect (instead of working on the gameplay)
Fix timing code and sharing of level-choreographer code
When a player's action influences an event, it is now triggered as the player makes their move, otherwise it is triggered at the end of the extended leeway period (i.e. 'GOOD' range plus 'BAD' range). The Choreographer now takes the bulk of the timing code as it should manage general minigame details