[Archived] HTTP abstractions such as HttpRequest, HttpResponse, and HttpContext, as well as common web utilities. Project moved to https://github.com/aspnet/AspNetCore

模仿.net core mvc中间件的设计模式（简化版），实现参考了asp.net core的代码HttpAbstractions和nodejs的开源库koa

A Refined , Extended and Minimal Middleware System , shamelessly copied from [ASP.NET Core](https://github.com/aspnet/HttpAbstractions)

HttpAbstractions-1.0.0-rc1 NoAuthHandler issue