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/compileall.py

@@ -17,6 +17,8 @@ import stat
 import sys
 import py_compile
 
+__all__ = ["compile_dir","compile_path"]
+
 def compile_dir(dir, maxlevels=10, ddir=None, force=0):
     """Byte-compile all modules in the given directory tree.