Console: exit on thrown exception
Console: exit on thrown exception

If user argument is not provided we want to inform the user their input
in wrong.  Fix an issue where a thrown exception does not exit the
program cleanly.

Signed-off-by: Jamie Couture <b4dde37aa2aac745c0e6c43447507eaeace3e59f@quandl.com>

quandl/quandl-excel-windows