Richard Wolff's changes:
cmd.py has incorporated the changes we discussed a couple of weeks ago (a command queue, returning line from precmd, and stop from postcmd) and some changes to help that were occasioned because I wanted to inherit from pdb which inherits from cmd.py and the help routine didn't look for commands or the associated help deeply enough.
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Guido van Rossum committed
5fca6fd2d9d53a5c417fc8a811752009b0f025e4
Parent: b7833d3