added changelog

Author: pkyeck

CHANGELOG.md

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+## 0.4.1 (2013-11-18)
+
+  - fix unix timecode bug in handshake url. close #118.
+  - Instantiate errorInfo NSMutableDictionary using mutableCopy as suggested by Elshad. close #125.
+  - introduce closed flag to XHR transport. fix #130.
+  - Changed delegates from unsafe_unretained to weak
+  - Fix improper use of NSLocalizedDescriptionKey.
+
+
+## 0.4.0.1 (2013-09-19)
+
+  - bugfix for namespace param error
+
+
+## 0.4 (2013-07-18)
+
+  - update example code to also include the new setResourceName: method
+  - allow socket.io resource to be renamed from outside. close #80.
+  - cleaned up URL schemas and their usage
+  - try forced disconnect in SocketTester example
+  - adjust the forced disconnect method a bit
+  - change deployment target to iOS 5 (because socket-rocket needs it and we're using __weak now)
+  - update submodules
+  - SocketIO: don't use NSURLConnection delegate property in -dealloc - not available without BlocksKit
+  - Synchronous disconnect
+  - Fixed for sending events before socket is connected
+  - Ensure to cleanup properly in -disconnect & -dealloc - fixes crashes
+  - Add initial connection timeout
+  - Fixed disconnect error loop
+  - Changed timeout timer from NSTimer to GCD timer to avoid retain cycle.
+
+
+## 0.3.3 (2013-04-25)
+
+  - Payloads cause disconnects. fixes #65
+  - Fixes inability to reconnect as described in #76
+  - Send all arguments to the callback, not just the first one. fixes #85
+
+
+## 0.3.2 (2013-02-06)
+
+  - Suppress deprecation warning (it's already checked with respondsToSelector)
+  - cleanup + SR submodule update fixes #70
+  - Fixed bug where SocketIOTransportWebsocket didn't clear the delegate on the SRWebSocket.
+
+
+## 0.3.1 (2012-12-26)
+
+  - fixes connect/disconnect problems. close #46
+
+
+## 0.3 (2012-12-24)
+
+  - added long polling. fixed #8.
+  - handshake response data check updated. fixes #62.