correct README, params extraction documentation was incorrect.

Author: Dean Karn

README.md

@@ -1,6 +1,6 @@
 ##Pure
 <img align="right" src="https://raw.githubusercontent.com/go-playground/pure/master/logo.png">
-![Project status](https://img.shields.io/badge/version-3.0.0-green.svg)
+![Project status](https://img.shields.io/badge/version-3.0.1-green.svg)
 [![Build Status](https://semaphoreci.com/api/v1/joeybloggs/pure/branches/master/badge.svg)](https://semaphoreci.com/joeybloggs/pure)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/pure/badge.svg?branch=master)](https://coveralls.io/github/go-playground/pure?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/pure)](https://goreportcard.com/report/github.com/go-playground/pure)
@@ -76,10 +76,9 @@ l.Get("/user/:id", UserHandler)
 
 // extract params like so
 rv := pure.ReqestVars(r) // done this way so only have to extract from context once, read above
-params := rv.Params() or params := pure.ReqestVars(r).Params()
-params.Get(paramname)
+rv.URLParam(paramname)
 
-// serve css, js etc.. pure.RequestVars(r).Params().Get(pure.WildcardParam) will return the remaining path if 
+// serve css, js etc.. pure.RequestVars(r).URLParam(pure.WildcardParam) will return the remaining path if 
 // you need to use it in a custom handler...
 l.Get("/static/*", http.FileServer(http.Dir("static/"))) 
 

examples/params/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/go-playground/pure"
+	mw "github.com/go-playground/pure/examples/middleware/logging-recovery"
+)
+
+func main() {
+
+	p := pure.New()
+	p.Use(mw.LoggingAndRecovery(true))
+
+	p.Get("/user/:id", user)
+
+	http.ListenAndServe(":3007", p.Serve())
+}
+
+func user(w http.ResponseWriter, r *http.Request) {
+	rv := pure.RequestVars(r)
+
+	w.Write([]byte("USER_ID:" + rv.URLParam("id")))
+}