Changed output mechanism - now prints useful error messages.
Changed output mechanism - now prints useful error messages.

git-svn-id: https://svn.sable.mcgill.ca/mclab/Project@42 89b902b4-d83f-0410-b942-89f7a419ffdb

Migrated from Sable/mclab@e43713ebe956eb6974f7971ca0c32f68a1fa25e7

Sable/VRIRGenerator