bump version to v0.5

Author: wojcikstefan

setup.py

@@ -5,7 +5,7 @@
 setup(
     name="closeio",
     packages=['closeio_api'],
-    version="0.4",
+    version="0.5",
     description="Close.io Python Library",
     long_description="Closeio Python library",
     author="Close.io Team",