Reset version for future development

Author: petertodd

setup.py

@@ -10,7 +10,7 @@
 requires = []
 
 setup(name='python-bitcoinlib',
-      version='0.4.0',
+      version='0.4.1-SNAPSHOT',
       description='The Swiss Army Knife of the Bitcoin protocol.',
       long_description=README,
       classifiers=[