v1.0.2, 10/13/2011 -- Small fix for using add_file on a file in a different directory.
v1.0.3, 10/17/2011 -- Another small fix for using add_file on a file in a different directory.
v1.0.4, 10/26/2011 -- Replaced all print statements with logging.
v1.0.5, 11/07/2011 -- Small update to logging, and expose the correct verify_user.