修复了：
- dockerfile入口错误 by @wqh0109663 in #1032 #1045
- 公众号补充缺失依赖textwrap by @theLastWinner in #1046
- itchat lib兼容 python 3.7 issue #1042
- dockerfile中安装插件时提示无权限的错误 issue #1056
Full Changelog: 1.3.0.1...1.3.0.3
zhayujie/修复了：
Full Changelog: 1.3.0.1...1.3.0.3
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