xmppframework GCDAsyncSocket doWriteData EXC_BAD_ACCESS

http://code.tutsplus.com/tutorials/building-a-jabber-client-for-ios-interface-setup--mobile-7188
http://www.ht.sfc.keio.ac.jp/~takuro/blog/files/602a012759a8599e04fdf93baf860582-4.html

要するに
XMPPFramework/Authentication (フォルダー追加)
Security.framework   (ライブラリー追加)
を忘れないこと。

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instance method 'connect:' not found (return type defaults to 'id'
http://stackoverflow.com/questions/18178701/instance-method-connect-not-found-return-type-defaults-to-id

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GCDAsyncSocket doWriteData EXC_BAD_ACCESS
Build Phase -> Compile Source --> GCDAsyncSocket.m add '-fobjc-arc'
https://groups.google.com/forum/#!topic/xmppframework/zCjwp4BjM3E