update version to 0.4.1

Summary: Updating version number to cut a stable release

Reviewed By: tymmsc

Differential Revision: D56792616

fbshipit-source-id: 3f5f4cc7e8dca59adfdfaadab77edde9fd743821

Author: crasanders

aepsych/version.py

@@ -5,4 +5,4 @@
 # This source code is licensed under the license found in the
 # LICENSE file in the root directory of this source tree.
 
-__version__ = "0.4.0"
+__version__ = "0.4.1"