Bump patch version

Author: JacobHayes

postgres_copy/__init__.py

@@ -5,7 +5,7 @@
 from sqlalchemy.sql.operators import ColumnOperators
 from sqlalchemy.dialects import postgresql
 
-__version__ = '0.2.1'
+__version__ = '0.2.2'
 
 def copy_to(source, dest, engine, **flags):
     """Export a query or select to a file. For flags, see the PostgreSQL