Merge pull request #12 from vdloo/bump-version-to-0.4

bump version to 0.4

Author: vdloo

setup.py

@@ -2,7 +2,7 @@
 setup(
     name ='consul_kv',
     packages=['consul_kv'],
-    version='0.3',
+    version='0.4',
     description='Consul KV client for Python 3',
     author='Rick van de Loo',
     author_email='rickvandeloo@gmail.com',