the RAII equivalent and the other was the final catch block to log uncaught exceptions
from the user and then abort the program.  The code now lets the exception escape
to the operating system so that it is easier to debug uncaught exceptions.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403201