made numeric argument to --verbose optional
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@ -176,7 +176,7 @@ sub process_options {
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Getopt::Long::config('no_ignore_case', 'bundling', 'permute');
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GetOptions(
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'v' => sub { $Option{'verbose'}++ },
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'verbose=s' => sub { $Option{'verbose'} = $_[1] },
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'verbose:i' => sub { $Option{'verbose'}+= $_[1] || 1 },
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'h|help' => sub { $Option{'help'} = '1' },
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'n|no|simulate' => sub { $Option{'simulate'} = '1' },
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'c|conflicts' => sub { $Option{'conflicts'} = '1' },
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