Prepare release 0.12

CHANGELOG-0.x.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.12] - 2018-04-05
 ### Added
  * Added support for PHPUnit 7 and `phpunit/php-code-coverage` 6
 

README.md

@@ -1,6 +1,6 @@
 # facile-it/paraunit
 
-[![PHP Version](https://img.shields.io/badge/php-%5E7.0-blue.svg)](https://img.shields.io/badge/php-%5E7.0-blue.svg)
+[![PHP Version](https://img.shields.io/badge/php-%5E7.1-blue.svg)](https://img.shields.io/badge/php-%5E7.1-blue.svg)
 [![Stable release][Last stable image]][Packagist link]
 [![Unstable release][Last unstable image]][Packagist link]
 [![composer.lock](https://poser.pugx.org/facile-it/paraunit/composerlock)](https://packagist.org/packages/facile-it/paraunit)
@@ -27,7 +27,7 @@ To use this package, use Composer:
 ```json
 {
     "require-dev": {
-        "facile-it/paraunit": "~0.8"
+        "facile-it/paraunit": "~0.12"
     }
 }
 ```