Bump version

Author: David Sanders

setup.py

@@ -6,7 +6,7 @@ def readme():
 
 setup(
     name='django-db-constraints',
-    version='0.1.0',
+    version='0.2.0',
     author='shangxiao',
     description='Add database table-level constraints to your Django model\'s Meta',
     long_description=readme(),