Bug Fix Update
-Fixed an issue when the program would stop responding if the internet connection is poor
-Fixed an issue when no data would be retrieved if the program is run before the website updates for the first time on a day (~9:15 am)
-Fixed an issue when no data would be retrieved if the expiry date selected expires when the program is running. This now throws an error and stops the program.
-Added units in column labels
-Slightly reduced the width of the program's main window