try and avoid bad engine states

Socket.IO-Client-Swift.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "Socket.IO-Client-Swift"
-  s.version      = "1.4.0"
+  s.version      = "1.4.2"
   s.summary      = "Socket.IO-client for Swift"
   s.description  = <<-DESC
                    Socket.IO-client for Swift.
@@ -12,7 +12,7 @@ Pod::Spec.new do |s|
   s.author       = { "Erik" => "nuclear.ace@gmail.com" }
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.10'
-  s.source       = { :git => "https://github.com/socketio/socket.io-client-swift.git", :tag => 'v1.4.0' }
+  s.source       = { :git => "https://github.com/socketio/socket.io-client-swift.git", :tag => 'v1.4.2' }
   s.source_files  = "SwiftIO/**/*.swift"
   s.requires_arc = true
   # s.dependency 'Starscream', '~> 0.9' # currently this repo includes Starscream swift files

SwiftIO/SocketIOClient.swift

@@ -118,16 +118,18 @@ public class SocketIOClient: NSObject, SocketEngineClient {
         }
         
         super.init()
-        
-        self.engine = SocketEngine(client: self,
-            forcePolling: self.forcePolling,
-            withCookies: self.cookies)
     }
     
     public convenience init(socketURL:String, options:NSDictionary?) {
         self.init(socketURL: socketURL, opts: options)
     }
     
+    private func addEngine() {
+        self.engine = SocketEngine(client: self,
+            forcePolling: self.forcePolling,
+            withCookies: self.cookies)
+    }
+    
     /**
     Closes the socket. Only reopen the same socket if you know what you're doing.
     Will turn off automatic reconnects.
@@ -150,6 +152,7 @@ public class SocketIOClient: NSObject, SocketEngineClient {
             self._closed = false
         }
         
+        self.addEngine()
         self.engine?.open()
     }
     
@@ -165,6 +168,7 @@ public class SocketIOClient: NSObject, SocketEngineClient {
         self.params = params
         self.paramConnect = true
         
+        self.addEngine()
         self.engine?.open(opts: params)
     }