Update: SoundManager pools internal lists The pooling effect is minimal, but it achieves 2 small improvements: - we don't hold lists in memory for sounds that don't reapper for a while - those can be reused in other parts of the code - audio.printsounds no longer reports 0 active sounds per definintion Tests: On craggy quickswitched between equipped items. Saw the various sounds appear and disapper in the logs.