Removed scary warning in README

Author: vladar

README.md

@@ -1,14 +1,11 @@
 # graphql-php
 
-### Work in progress. Things may change before first stable release.
-
 This is a PHP port of GraphQL reference implementation based on the [specification](https://github.com/facebook/graphql)
 and the [reference implementation in JavaScript](https://github.com/graphql/graphql-js).
 
 This implementation will follow JavaScript version as close as possible until GraphQL itself stabilizes.
 
-**Current status**: version 0.4 supports all features described by specification.
-_corresponding graphql-js commit_: cf50cc3a304faff9a4215cd121a548e65794a089 (v0.4.2 2015-08-14).
+**Current status**: version 0.4+ supports all features described by specification.
 
 [![Build Status](https://travis-ci.org/webonyx/graphql-php.svg?branch=master)](https://travis-ci.org/webonyx/graphql-php)