Bump min version of iOS to be 9.0 to follow min version from CrpytoSwift
Bump min version of iOS to be 9.0 to follow min version from CrpytoSwift

pusher-community/pusher-websocket-swift,pusher/pusher-websocket-swift,pusher/pusher-websocket-swift,pusher-community/pusher-websocket-swift,pusher/pusher-websocket-swift