Added akps/akpfn Swift functions, use Int constructors, added midiratio to Double for parity.
Added akps/akpfn Swift functions, use Int constructors, added midiratio to Double for parity.

audiokit/AudioKitArchive,sballan/AudioKit,UIKit0/AudioKit,dotty2883/AudioKit,dotty2883/AudioKit,sgrady2/AudioKit,audiokit/AudioKitArchive,dotty2883/AudioKit,jackywpy/AudioKit,UIKit0/AudioKit,sgrady2/AudioKit,audiokit/AudioKitArchive,benzguo/AudioKit,audiokit/AudioKitArchive,ayunav/AudioKit,benzguo/AudioKit,benzguo/AudioKit,sgrady2/AudioKit,msdgwzhy6/AudioKit,jackywpy/AudioKit,sgrady2/AudioKit,msdgwzhy6/AudioKit,UIKit0/AudioKit,midroid/AudioKit,msdgwzhy6/AudioKit,jackywpy/AudioKit,msdgwzhy6/AudioKit,sballan/AudioKit,changjiashuai/AudioKit,benzguo/AudioKit,ayunav/AudioKit,UIKit0/AudioKit,jackywpy/AudioKit,midroid/AudioKit,changjiashuai/AudioKit,midroid/AudioKit,jackywpy/AudioKit,UIKit0/AudioKit,ayunav/AudioKit,audiokit/AudioKitArchive,sballan/AudioKit,midroid/AudioKit,sballan/AudioKit,ayunav/AudioKit,changjiashuai/AudioKit,sgrady2/AudioKit,dotty2883/AudioKit,dotty2883/AudioKit,benzguo/AudioKit,midroid/AudioKit,changjiashuai/AudioKit,changjiashuai/AudioKit,sballan/AudioKit,msdgwzhy6/AudioKit,ayunav/AudioKit