Implemented AKInput for AKMixer.
Implemented AKInput for AKMixer.

mixerAU is non-optional, initialized at definition
init(inputs) now both are convenience inits
Override AKInput protocols nextInput to return AKInputConnection(node: self, bus: mixerAU.nextAvailableInputBus)
deprecated connect(_ input: AKNode?, bus: Int? = nil)

adamnemecek/AudioKit,audiokit/AudioKit,audiokit/AudioKit,audiokit/AudioKit,adamnemecek/AudioKit,eljeff/AudioKit,eljeff/AudioKit,eljeff/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit