specify docstring and version according to PEP 8

dspawn/__init__.py

@@ -1 +1,8 @@
-#
+#!/usr/bin/env python
+""" dspawn is a systemd-nspawn container manager; an alternative to
+    machinectl aimed at debootstrap compatible distributions, with the folowing
+    features: authorizes ssh keys in container, caches deboostrap models for
+    fast container creations, support various network configurations, uses
+    apt-cacher-ng if available, and more"""
+
+__version__ = 0.2

setup.py

@@ -1,7 +1,8 @@
 from setuptools import setup
+import dspawn
 
 setup(name='dspawn',
-      version='0.1',
+      version=dspawn.__version__,
       description='systemd-nspawn container manager',
       author='Christophe Siraut',
       author_email='csiraut@entrouvert.com',