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Improved push service. Fixed an error caused by https://bugs.webkit.org/show_bug.cgi?id=80797 Changed setImmediate to process.nextTick

Added uriList property on Client. Added remove method on Service to remove published function, method or topic. Added onfailswitch event. Added failround readonly property. No wait on the first round failswitch. Fixed timeout bug of HalfDuplex socket client. Fixed memory leak when client timeout shorter than push server. Fixed error report when client timeout shorter than push server.

Added failswitch parameter for subscribe

Added express support for WebSocketServer.

Improved Promises/A+ implementation

Fixed missing break. Optimized callback. Fixed Client in node.js 5.x. Update getNextId.

Added multi parameters callback asynchronous service support.

Improved Socket & WebSocket Client

Changed failswitch algorithm.

Fixed a bug of push service.