1、重构项目，代码逻辑更清晰。
2、加入红包功能，使聊天更有趣味性。
3、让微信更好玩儿，将用户体验做到极致！
I will gladly accept pull requests for fixes and feature enhancements but please do them in the develop branch.
Copyright (c) 2015 Juns Alen
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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