work on fixing reconnect()

Source/SocketEngine.swift

@@ -301,6 +301,10 @@ public final class SocketEngine: NSObject, SocketEnginePollable, SocketEngineWeb
             client?.engineDidClose(reason)
         }
         
+        if closed {
+            return postSendClose(nil, nil, nil)
+        }
+        
         DefaultSocketLogger.Logger.log("Engine is being closed.", type: logType)
         
         if websocket {

Source/SocketIOClient.swift

@@ -423,7 +423,9 @@ public final class SocketIOClient: NSObject, SocketEngineClient, SocketParsable
 
     /// Tries to reconnect to the server.
     public func reconnect() {
-        tryReconnectWithReason("manual reconnect")
+        guard !reconnecting else { return }
+        
+        engine?.disconnect("manual reconnect")
     }
 
     /// Removes all handlers.