support python2.6

setup.py

@@ -1,9 +1,15 @@
+import codecs
 from setuptools import setup, find_packages
 from nhentai import __version__, __author__, __email__
 
 with open('requirements.txt') as f:
     requirements = [l for l in f.read().splitlines() if l]
 
+
+def long_description():
+    with codecs.open('README.rst', 'r') as f:
+        return f.read()
+
 setup(
     name='nhentai',
     version=__version__,
@@ -13,7 +19,9 @@ setup(
     author_email=__email__,
     keywords='nhentai, doujinshi',
     description='nhentai.net doujinshis downloader',
+    long_description=long_description(),
     url='https://github.com/RicterZ/nhentai',
+    download_url='https://github.com/RicterZ/nhentai/tarball/master',
     include_package_data=True,
     zip_safe=False,