Updated README for new AudioKit class.
Updated README for new AudioKit class.

narner/AudioKit,narner/AudioKit,roecrew/AudioKit,dclelland/AudioKit,roecrew/AudioKit,dclelland/AudioKit,laurentVeliscek/AudioKit,laurentVeliscek/AudioKit,roecrew/AudioKit,dclelland/AudioKit,catloafsoft/AudioKit,narner/AudioKit,laurentVeliscek/AudioKit,catloafsoft/AudioKit,catloafsoft/AudioKit,narner/AudioKit,dclelland/AudioKit,laurentVeliscek/AudioKit,roecrew/AudioKit,catloafsoft/AudioKit