Fixed misuse of GridCellEditor in DurationCellEditor, potentially leading to crash on windows.
<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="WAMP://127.0.0.1:8888#Automation#wamptest">
<TargetType/>
</BeremizRoot>