Implemented versioning by version.txt

MANIFEST.in

-include README.rst
+include README.rst version.txt
 recursive-include doc *.py *.rst
 recursive-include bob *.sql3

setup.py

@@ -5,12 +5,15 @@
 
 from setuptools import setup, find_packages
 
+# Define package version
+version = open("version.txt").read().rstrip()
+
 # The only thing we do in this file is to call the setup() function with all
 # parameters that define our package.
 setup(
 
     name='bob.db.replay',
-    version='2.0.0a0',
+    version=version,
     description='Replay Attack Database Access API for Bob',
     url='http://pypi.python.org/pypi/bob.db.replay',
     license='GPLv3',

version.txt

+2.0.0a3