add no timeout

Author: nuclearace

README.md

@@ -103,7 +103,8 @@ socket.on("ackEvent") {data, ack in
         println("Got int")
     }
 
-    socket.emitWithAck("ackTest", "test").onAck {data in
+    // You can specify a custom timeout interval. 0 means no timeout.
+    socket.emitWithAck("ackTest", "test").onAck(0) {data in
         println(data?[0])
     }
 

SwiftIO/SocketAckHandler.swift

@@ -40,14 +40,17 @@ public typealias AckCallback = (NSArray?) -> Void
     public func onAck(timeout:UInt64, withCallback callback:AckCallback) {
         self.callback = callback
 
-        let time = dispatch_time(DISPATCH_TIME_NOW, Int64(timeout * NSEC_PER_SEC))
-        dispatch_after(time, dispatch_get_main_queue()) {[weak self] in
-            if self == nil {
-                return
-            }
-            
-            if !self!.acked {
-                self?.executeAck(["No ACK"])
+        
+        if timeout != 0 {
+            let time = dispatch_time(DISPATCH_TIME_NOW, Int64(timeout * NSEC_PER_SEC))
+            dispatch_after(time, dispatch_get_main_queue()) {[weak self] in
+                if self == nil {
+                    return
+                }
+                
+                if !self!.acked {
+                    self?.executeAck(["No ACK"])
+                }
             }
         }
     }

SwiftIO/SocketIOClient.swift

@@ -50,7 +50,7 @@ public class SocketIOClient: NSObject {
 
     internal var currentAck = -1
     internal var waitingData = [SocketEvent]()
-
+    
     public var closed:Bool {
         return self._closed
     }
@@ -396,6 +396,7 @@ public class SocketIOClient: NSObject {
 
         if self.reconnectTimer == nil {
             self._reconnecting = true
+            
             dispatch_async(dispatch_get_main_queue()) {[weak self] in
                 if self == nil {
                     return