Updated README for 3.7
Updated README for 3.7

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