更新日志
* 修复了知乎服务器端更新导致的备份失败 by njzjz in https://github.com/njzjz/zhihubackup/issues/3
* 为不同用户存储不同的备份记录 by njzjz in https://github.com/njzjz/zhihubackup/pull/8
* 格式化Python代码，使用现代化的Python配置文件，增加测试代码，并发布到PyPI by njzjz in https://github.com/njzjz/zhihubackup/pull/4, https://github.com/njzjz/zhihubackup/pull/6, https://github.com/njzjz/zhihubackup/pull/7, https://github.com/njzjz/zhihubackup/pull/9
**完整更新日志**: https://github.com/njzjz/zhihubackup/compare/v0.1.1...v0.2.0