Maybe it makes more sense to save previous len, before updating len,
and compare that to j, than to wait for setlistitem() to fail, but:
Such are the ways of the Late-Night-Hack.
But then, this method has the benefit of not penalizing the folks who
aren't using this hack. ( Again: I credit Tim Peters ( and maybe a
little Icon influence ) with teaching me the creative use of failure!
Tim: In paraphrase of Grace Hooper's famous quote about it
sometimes being easier to apologize than to ask permission:
"It's sometimes easier to try/except than to ask permission" (??)
- Steve Majewski