Release 0.2.0 (#42)

Author: heavenshell

setup.py

@@ -27,7 +27,7 @@
 
 setup(
     name=app_name,
-    version='0.1.0',
+    version='0.2.0',
     author='Shinya Ohyanagi',
     author_email='sohyanagi@gmail.com',
     url='http://github.com/heavenshell/py-mackerel-client',