Added Python hackers

Author: melvin0008

README.md

@@ -1085,6 +1085,7 @@ Where to discover new Python libraries.
 * [CoolGithubProjects](http://coolgithubprojects.com/) - Sharing cool github projects just got easier!
 * [Full Stack Python](http://www.fullstackpython.com/) - Plain English explanations for every layer of the Python web application stack.
 * [Django Packages](https://www.djangopackages.com/) - A directory of reusable apps, sites, tools, and more for Django projects.
+* [Python Hackers](http://pythonhackers.com/open-source/) - List of top 400 projects in github
 
 ## Weekly