Give Starscream-related queues Pusher-specific names

Author: hamchapman

Source/PusherSwift.swift

@@ -40,6 +40,7 @@ let CLIENT_NAME = "pusher-websocket-swift"
         self.key = key
         let urlString = constructUrl(key: key, options: options)
         let ws = WebSocket(url: URL(string: urlString)!)
+        ws.callbackQueue = DispatchQueue(label: "com.pusher.starscream.websocket.callback")
         connection = PusherConnection(key: key, socket: ws, url: urlString, options: options)
         connection.createGlobalChannel()
         self.nativePusher = nativePusher

Source/Starscream.swift

@@ -436,7 +436,7 @@ open class WebSocket : NSObject, StreamDelegate {
         return canWork
     }
     /// The shared processing queue used for all WebSocket.
-    private static let sharedWorkQueue = DispatchQueue(label: "com.vluxe.starscream.websocket", attributes: [])
+    private static let sharedWorkQueue = DispatchQueue(label: "com.vluxe.starscream.websocket.pusher", attributes: [])
 
     /// Used for setting protocols.
     public init(url: URL, protocols: [String]? = nil) {