Adding a couple more badges

README.md

@@ -2,13 +2,16 @@
 
 [![Build Status](https://travis-ci.org/Rican7/retry.svg?branch=master)](https://travis-ci.org/Rican7/retry)
 [![GoDoc](https://godoc.org/github.com/Rican7/retry?status.png)](https://godoc.org/github.com/Rican7/retry)
+[![Go Report Card](https://goreportcard.com/badge/Rican7/retry)](http://goreportcard.com/report/Rican7/retry)
+[![Latest Stable Version](https://img.shields.io/github/release/Rican7/retry.svg?style=flat)](https://github.com/Rican7/retry/releases)
 
 A simple, stateless, functional mechanism to perform actions repetitively until successful.
 
 
 ## Project Status
 
-This project is currently in "pre-release". The API may change. Vendor (commit or lock) this dependency if you plan on using it.
+This project is currently in "pre-release". While the code is heavily tested, the API may change.
+Vendor (commit or lock) this dependency if you plan on using it.
 
 
 ## Install