Fix #37 - exceptions thrown in AJAX request handler are swallowed
Fix #37 - exceptions thrown in AJAX request handler are swallowed

The success/fail handlers for ajax.request were being called in a
try/catch statement, causing exceptions to be swallowed when thrown
from within a handler.

box/viewer.js,lakenen/viewer.js,vdclouis/viewer.js,box/viewer.js,denodster/viewer.js,lakenen/viewer.js,lakenen/viewer.js,box/viewer.js,vdclouis/viewer.js,denodster/viewer.js,denodster/viewer.js,vdclouis/viewer.js