version bump: python3 support added. thanks @berkerpeksag

Author: emre

setup.py

@@ -10,7 +10,7 @@
 
 setup(
     name='kaptan',
-    version='0.5.4',
+    version='0.5.5',
     packages=find_packages(),
     url='https://github.com/emre/kaptan',
     license='BSD',