Adds Hyphenation-library

This PR adds a hyphenation-library to the list of string-libraries

README.md

 * [UA Parser](https://github.com/tobie/ua-parser/tree/master/php) - A library for parsing user agent strings.
 * [URLify](https://github.com/jbroadway/urlify) - A PHP port of Django's URLify.js.
 * [UUID](https://github.com/ramsey/uuid) - A library for generating UUIDs.
+* [Hyphenation](https://github.com/heiglandreas/Org_Heigl_Hyphenator) - Text-Hyphenation based on the TeX-hyphenation Algorithm 
 
 ## Numbers
 *Libraries for working with numbers.*