Update README.md

Author: DennisDeSwart

README.md

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 # PHP Stanford NLP Datastore
 
+[![Version](https://img.shields.io/packagist/v/dennis-de-swart/php-stanford-corenlp-adapter.svg?style=flat-square)](https://packagist.org/packages/dennis-de-swart/php-stanford-corenlp-adapter)
+[![Total Downloads](https://img.shields.io/packagist/dt/dennis-de-swart/php-stanford-corenlp-adapter.svg?style=flat-square)](https://packagist.org/packages/dennis-de-swart/php-stanford-corenlp-adapter)
+[![Maintenance](https://img.shields.io/maintenance/yes/2017.svg?style=flat-square)](https://github.com/DennisDeSwart/-corenlp-adapter) 
 [![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%205.6-4AC51C.svg?style=flat-square)](http://php.net/)
-
+[![License](https://img.shields.io/packagist/l/dennis-de-swart/php-stanford-corenlp-adapter.svg?style=flat-square)](https://opensource.org/licenses/MIT)
 
 Stores NLP data from Stanford CoreNLP server.