Prepare v0.1.0 release

Author: clue

CHANGELOG.md

@@ -0,0 +1,5 @@
+# Changelog
+
+## 0.1.0 (2016-06-01)
+
+*   First tagged release

README.md

@@ -9,7 +9,7 @@ Streaming UTF-8 parser for React PHP
 * [Install](#install)
 * [License](#license)
 
-> Note: This project is in early alpha stage! Feel free to report any issues you encounter.
+> Note: This project is in beta stage! Feel free to report any issues you encounter.
 
 ## Usage
 
@@ -59,9 +59,11 @@ The recommended way to install this library is [through Composer](https://getcom
 This will install the latest supported version:
 
 ```bash
-$ composer require clue/utf8-react:dev-master
+$ composer require clue/utf8-react:^0.1
 ```
 
+See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.
+
 ## License
 
 MIT