fix for acks

SwiftIO/SocketEngine.swift

@@ -587,7 +587,6 @@ public class SocketEngine: NSObject, WebSocketDelegate {
         self.probing = false
         
         if self.websocket {
-            println(error)
             self.pingTimer?.invalidate()
             self._connected = false
             self._websocket = false

SwiftIO/SocketParser.swift

@@ -287,6 +287,7 @@ class SocketParser {
                 return
             }
             
+            p.justAck = true
             socket.handleAck(p.id!, data: p.data)
         } else if p.type == SocketPacketType.BINARY_EVENT {
             if checkNSP(p.nsp) {
@@ -299,6 +300,7 @@ class SocketParser {
                 return
             }
             
+            p.justAck = true
             socket.waitingData.append(p)
         } else if p.type == SocketPacketType.CONNECT {
             if p.nsp == "" && socket.nsp != nil {