Bump version to 2.1.3 (#74)

 Use open from io module to load the description, so that it's compatible with both python2 and python3

setup.py

@@ -1,10 +1,18 @@
+from os import path
+import io
 from setuptools import setup, find_packages
+
+with io.open(path.join(path.abspath(path.dirname(__file__)), 'README.md'), encoding='utf-8') as f:
+    long_description = f.read()
+
 setup(
     name = 'filetracker',
-    version = '2.1.2',
+    version = '2.1.3',
     author = 'SIO2 Project Team',
     author_email = '[email protected]',
     description = 'Filetracker caching file storage',
+    long_description=long_description,
+    long_description_content_type='text/markdown',
     url = 'https://github.com/sio2project/filetracker',
     license = 'GPL',