Bump version to 0.4.0

Greg Leclercq · Greg Leclercq · commit e4a40804b3a2 · 2017-09-11T16:04:18.000-07:00
diff --git a/prestodb/__init__.py b/prestodb/__init__.py
@@ -19,4 +19,4 @@
 from . import exceptions
 from . import logging
 
-__version__ = '0.3.0'
+__version__ = '0.4.0'
