Merge branch 'release/wechat-python-sdk-v0.3.2' into develop
Fix: 统一字符串类型为unicode
Add: 添加回复新闻快速入门文档
Fix: 修正回复文字快速入门文档编码错误
Fix: Readme.rst 修正及快速入门文档修正
Fix: 修正快速入门文档及Readme
Fix: 修正Readme.rst
Merge branch 'feature/fix-unicode-encode' into develop
Update: version number
Merge branch 'release/wechat-python-sdk-v0.3.3'