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.
diff --git a/Lib/CGIHTTPServer.py b/Lib/CGIHTTPServer.py
index ba1e76b..e2bef26 100644
--- a/Lib/CGIHTTPServer.py
+++ b/Lib/CGIHTTPServer.py
@@ -19,6 +19,7 @@
 
 __version__ = "0.4"
 
+__all__ = ["CGIHTTPRequestHandler"]
 
 import os
 import sys