Updated readme with badges, changelog, upgrade installation and license

Author: sergioteula

README.md

@@ -2,6 +2,12 @@ Amazon Product Advertising API V5 wrapper for Python
 =======================================================
 A simple Python wrapper for the Amazon Product Advertising API version 5.
 
+![PyPI](https://img.shields.io/pypi/v/python-amazon-paapi5?color=%231182C2&label=PyPI)
+[![License](https://img.shields.io/badge/License-GPL--3.0-%23e83633)](https://github.com/sergioteula/python-amazon-paapi5/blob/master/LICENSE)
+[![Support](https://img.shields.io/badge/Support-Good-brightgreen)](https://github.com/sergioteula/python-amazon-paapi5/issues)
+[![Amazon API](https://img.shields.io/badge/Amazon%20API-5.0-%23FD9B15)](https://webservices.amazon.com/paapi5/documentation/)
+
+
 Features
 --------
 
@@ -12,7 +18,16 @@ Features
 Installation
 -------------
 
-     pip install python-amazon-paapi5
+You can install or upgrade the module with:
+
+     pip install python-amazon-paapi5 --upgrade
+
+Changelog
+-------------
+
+Release 0.1.1
+
+     - Added currency support for prices.
 
 Usage
 -----
@@ -25,4 +40,4 @@ Usage
 License
 -------
 
-Copyright © 2019 Sergio Abad
+This software is licensed under the GNU General Public License v3.0 that you can check [here](https://github.com/sergioteula/python-amazon-paapi5/blob/master/LICENSE).