More slight changes to Envelope so it works with releaseStage == 0
More slight changes to Envelope so it works with releaseStage == 0

kn0ll/Audiolet,Kosar79/Audiolet,oampo/Audiolet,mcanthony/Audiolet,Kosar79/Audiolet,mcanthony/Audiolet,kn0ll/Audiolet,Kosar79/Audiolet,oampo/Audiolet,bobby-brennan/Audiolet,bobby-brennan/Audiolet