This script generates a .txt file with an email body that contains a list of events from the BBE calendar occurring
within a time period
Start Date: The starting date of the time window for the desired events. Events must start on this date or
after to be included.
End Date: The ending date of the time window for the desired events. Events must start on this date or
before to be included.
Include BBE: Whether the "Caltech BBE" calendar should be included
Include Faculty: Whether the "Faculty" calendar should be included
Include Postdocs: Whether the "Postdocs" calendar should be included
Include Students: Whether the "Students" calendar should be included