Improve release metadata

This commit adds a URL to setup.py's setup() call and development and
change information to README.rst.

README.rst

@@ -1,3 +1,4 @@
+==================
 jandd.sphinxext.ip
 ==================
 
@@ -5,10 +6,30 @@ This is an IP address extension for `Sphinx`_. The extension provides a domain
 *ip* that allows marking IPv4 and IPv6 addresses in documentation and contains
 directives to collect information regarding IP addresses in IP ranges.
 
+.. _Sphinx: http://www.sphinx-doc.org/
+
+Development
+===========
+
+The extension is developed in a git repository that can be cloned by running::
+
+    git clone https://git.dittberner.info/sphinxext-ip.git
+
+A repository browser is available at
+https://git.dittberner.info/?p=sphinxext-ip.git.
+
 Contributors
-------------
+============
 
 * `Jan Dittberner`_
 
 .. _Jan Dittberner: https://jan.dittberner.info/
-.. _Sphinx: http://www.sphinx-doc.org/
+
+Changes
+=======
+
+0.2.0 - 2016-05-04
+------------------
+
+* display IP address lists as tables
+* sort IP address lists numericaly

setup.py

@@ -20,6 +20,7 @@ setup(
     install_requires=requires,
     keywords="sphinx extension IP",
     license="GPLv3+",
+    url="https://pypi.python.org/pypi/jandd.sphinxext.ip",
     name="jandd.sphinxext.ip",
     namespace_packages=['jandd', 'jandd.sphinxext'],
     packages=find_packages(),