nuster 是一个基于 HAProxy 的高性能 HTTP 缓存服务器和 RESTful NoSQL 缓存服务器，既可以用作类似 Varnish 或者 Nginx 那样的 HTTP 缓存服务器，来缓存动态或者静态的 HTTP 资源，也可以用作 RESTful NoSQL 缓存服务器, 用 HTTP POST/GET/DELETE 来 添加 /取得 /删除 Key/Value。
项目主页： https://github.com/jiangwenyuan/nuster
中文介绍： https://github.com/jiangwenyuan/nuster/blob/master/README-CN.md
本次更新如下：
- Fix some init issues
- Fixed uninitialized stats shctx
- Fix missed uri.data
- Check msg len before update data
- Update cache create order to prevent potential lock
- Set entry->data to null when forward error
- Assign to temp var
- Fix missed uri.data
- Fixed bitmap overlap
- Series of fixes backported from cache part
- Fix incorrect len when build BODY cache key
- Fix improper handling of MSG_ENDING
- Send response header asap.
- This fix separate header and body, and send header along.
- Allocate entry_key before entry
- Initialise ctx.req to prevent incorrect release
- Check data before release
- Do not pass tail to _nst_cache_data_append
- Check state in io handler
- Release element when failed to allocate data
- Change incorrect CTX_PASS to CTX_BYPASS
- Upgrade HAProxy to v1.8.14