Update README.md

README.md

@@ -1,4 +1,4 @@
-[![Unix Build Status](https://img.shields.io/travis/NiaOrg/NiaPy/master.svg)](https://travis-ci.org/NiaOrg/NiaPy) [![Windows Build status](https://ci.appveyor.com/api/projects/status/l5c0rp04mp04mbtq?svg=true)](https://ci.appveyor.com/project/GregaVrbancic/niapy) [![Coverage Status](https://img.shields.io/coveralls/NiaOrg/NiaPy/master.svg)](https://coveralls.io/r/NiaOrg/NiaPy) [![Scrutinizer Code Quality](https://img.shields.io/scrutinizer/g/NiaOrg/NiaPy.svg)](https://scrutinizer-ci.com/g/NiaOrg/NiaPy/?branch=master) [![PyPI Version](https://img.shields.io/pypi/v/NiaPy.svg)](https://pypi.python.org/pypi/NiaPy) [![Documentation Status](https://readthedocs.org/projects/niapy/badge/?version=latest)](http://niapy.readthedocs.io/en/latest/?badge=latest) [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/NiaOrg/NiaPy.svg)](http://isitmaintained.com/project/NiaOrg/NiaPy "Average time to resolve an issue") [![Percentage of issues still open](http://isitmaintained.com/badge/open/NiaOrg/NiaPy.svg)](http://isitmaintained.com/project/NiaOrg/NiaPy "Percentage of issues still open") [![GitHub license](https://img.shields.io/github/license/NiaOrg/NiaPy.svg)](https://github.com/NiaOrg/NiaPy/blob/master/LICENSE)
+[![Unix Build Status](https://img.shields.io/travis/NiaOrg/NiaPy/master.svg)](https://travis-ci.org/NiaOrg/NiaPy) [![Windows Build status](https://ci.appveyor.com/api/projects/status/l5c0rp04mp04mbtq?svg=true)](https://ci.appveyor.com/project/GregaVrbancic/niapy) [![Coverage Status](https://img.shields.io/coveralls/NiaOrg/NiaPy/master.svg)](https://coveralls.io/r/NiaOrg/NiaPy) [![PyPI Version](https://img.shields.io/pypi/v/NiaPy.svg)](https://pypi.python.org/pypi/NiaPy) [![niapy PyPI Downloads](https://pypistats.com/badge/niapy.svg)](https://pypistats.com/package/niapy) [![Documentation Status](https://readthedocs.org/projects/niapy/badge/?version=latest)](http://niapy.readthedocs.io/en/latest/?badge=latest) [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/NiaOrg/NiaPy.svg)](http://isitmaintained.com/project/NiaOrg/NiaPy "Average time to resolve an issue") [![Percentage of issues still open](http://isitmaintained.com/badge/open/NiaOrg/NiaPy.svg)](http://isitmaintained.com/project/NiaOrg/NiaPy "Percentage of issues still open") [![GitHub license](https://img.shields.io/github/license/NiaOrg/NiaPy.svg)](https://github.com/NiaOrg/NiaPy/blob/master/LICENSE)
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1205048.svg)](https://doi.org/10.5281/zenodo.1205048) [![DOI](http://joss.theoj.org/papers/10.21105/joss.00613/status.svg)](https://doi.org/10.21105/joss.00613)