added __all__ lists to a number of Python modules

added test script and expected output file as well
this closes patch 103297.
__all__ attributes will be added to other modules without first submitting
a patch, just adding the necessary line to the test script to verify
more-or-less correct implementation.

Lib/Queue.py

@@ -1,5 +1,7 @@
 """A multi-producer, multi-consumer queue."""
 
+__all__ = ["Queue","Empty","Full"]
+
 class Empty(Exception):
     "Exception raised by Queue.get(block=0)/get_nowait()."
     pass