ScheduleFile missing a columnSeparatorValues function

[jmarrec]

Issue overview

There is a minutesperItemValues but not a columnSeparatorValues, but this is a choice field.

Possible Solution

Just implement it, easy peasy

Details

Environment

Some additional details about your environment for this issue (if relevant):

• Platform (Operating system, version): all
• Version of OpenStudio (if using an intermediate build, include SHA): 3.8.0, develop