Try to graciously handle Ideone error

[orsenthil]

$ tail /var/folders/_2/kqmfvpxj3_l3dnj5wq1y6j1c0000gn/T/sphinx-err-VGCoCu.log
    visitor.dispatch_visit(self)
  File "/Users/skumaran/AllPython/CPython-2.7.3/lib/python2.7/site-packages/docutils/nodes.py", line 1882, in dispatch_visit
    return method(node)
  File "/Users/skumaran/AllPython/CPython-2.7.3/lib/python2.7/site-packages/sphinxcontrib/runcode.py", line 84, in visit_block
    if IDEONE_AUTHENTICATED and ideone_auth.test()["error"] == "OK":
  File "/Users/skumaran/AllPython/CPython-2.7.3/lib/python2.7/site-packages/ideone/__init__.py", line 326, in test
    Ideone._handle_error(result_dict)
  File "/Users/skumaran/AllPython/CPython-2.7.3/lib/python2.7/site-packages/ideone/__init__.py", line 59, in _handle_error
    raise IdeoneError(error)
IdeoneError: AUTH_ERROR