[issue10453] Add -h/--help option to compileall

[R. David Murray]

R. David Murray <rdmurray at bitdance.com> added the comment:

OK, here is what I hope is a comprehensive set of CLI tests, and fixes for the bugs revealed thereby.  Except for the new test added by Georg after the original patch here was committed, all of the tests either pass using the old compileall module or fail only because stderr has resource warnings in it.

I did some refactoring on the tests, and since there were few enough original tests I went through and refactored them all.  Hopefully that won't make the review more difficult.

Note that I have not tested this patch on windows :)

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Added file: http://bugs.python.org/file19989/compileall_cli_revisited.patch

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