Added long_description for setuptools.

Signed-off-by: Brett Randall <javabrett@gmail.com>

setup.py

@@ -2,14 +2,11 @@ from setuptools import setup, find_packages
 import os
 import io
 
-# long_description = io.open(
-    # os.path.join(os.path.dirname(__file__), 'README.rst'), encoding='utf-8').read()
-
 setup(
     name="httpbin",
     version="0.9.0",
     description="HTTP Request and Response Service",
-    # long_description=long_description,
+    long_description="A simple HTTP Request & Response Service, written in Python + Flask.",
 
     # The project URL.
     url='https://github.com/requests/httpbin',