Updated readme and added change log.

CHANGELOG.md

@@ -0,0 +1,9 @@
+# Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+This change log adheres to [Keep a CHANGELOG](http://keepachangelog.com/).
+
+## [1.0] - 2016-05-08
+
+### Added
+- Initial stable release.

readme.md

@@ -4,11 +4,11 @@ wps adds [whoops](http://filp.github.io/whoops/) error handler to a WordPress in
 
 # Installation
 
-wps is a Composer package and can be installed in plugin directory via:
+Download plugin archive from [releases section](https://github.com/Rarst/wps/releases).
 
-    composer create-project rarst/wps --no-dev
+Or install in plugin directory via [Composer](https://getcomposer.org/):
 
-# Changelog
+    composer create-project rarst/wps --no-dev
 
 # License Info