docs : pypi package added

Author: sepandhaghighi

README.md

@@ -4,7 +4,8 @@
 
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/Moduland/Orangetool/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/Moduland/Orangetool/?branch=master)
 [![Build Status](https://scrutinizer-ci.com/g/Moduland/Orangetool/badges/build.png?b=master)](https://scrutinizer-ci.com/g/Moduland/Orangetool/build-status/master)
-[![Python](https://img.shields.io/badge/python-3.3%2C3.4%2C3.5%2C3.6-blue.svg)](http://www.python.org)		
+[![Python](https://img.shields.io/badge/python-3.3%2C3.4%2C3.5%2C3.6-blue.svg)](http://www.python.org)			
+[![PyPI version](https://badge.fury.io/py/orangetool.svg)](https://badge.fury.io/py/orangetool)	
 
 
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