* New Feature: RouterNode add RouterNode.Path() to get routing path for the request
* Detail:
    - you can use ctx.RouterNode().Path() to get routing path for the request
    - you can use ctx.HttpServer().Router().MatchPath to match request and routing path
* Demo:
  ~~~go
  func main() {
  	app := dotweb.Classic("/home/logs/wwwroot/")

    // if use this, all router will auto add "HEAD" method support
    // default is false
    app.HttpServer.SetEnabledAutoHEAD(true)

  	app.HttpServer.GET("/index", func(ctx dotweb.Context) error{
  	    flag := ctx.HttpServer().Router().MatchPath(ctx, "/index")
  		return ctx.WriteString("welcome to my first web!" + ctx.RouterNode().Path() + " - " + fmt.Sprint(flag))
  	})

  	err := app.StartServer(80)
      fmt.Println("dotweb.StartServer error => ", err)
  }
  ~~~
* 2019-02-12 16:00

* New Feature: RouterNode add RouterNode.Path() to get routing path for the request
* Detail:
    - you can use ctx.RouterNode().Path() to get routing path for the request
    - you can use ctx.HttpServer().Router().MatchPath to match request and routing path
* Demo:
  ~~~go
  func main() {
  	app := dotweb.Classic("/home/logs/wwwroot/")

    // if use this, all router will auto add "HEAD" method support
    // default is false
    app.HttpServer.SetEnabledAutoHEAD(true)

  	app.HttpServer.GET("/index", func(ctx dotweb.Context) error{
  	    flag := ctx.HttpServer().Router().MatchPath(ctx, "/index")
  		return ctx.WriteString("welcome to my first web!" + ctx.RouterNode().Path() + " - " + fmt.Sprint(flag))
  	})

  	err := app.StartServer(80)
      fmt.Println("dotweb.StartServer error => ", err)
  }
  ~~~
* 2019-02-12 16:00