将ticket_create增加到API
修正api user 加入 next_openid
修正错误处理
fixes #43 添加微信获取用户所在分组、所有分组、更新分组api
简化代码
Merge branch 'feature/add-group-mng-func' into 'develop'

fixes #43 Feature/add group mng func
Merge branch 'develop' into 'master'

Develop