add oldstable arch restriction and remove from q-d output any version thatis also in unstable's output.

Add --mode=[full|daily].  Dehardcode suite-ids.  pcmcia-cs is always dubious.  make nviu fail gracefully if there's no experiemntal.

Adapt usage for new comma seperated arguments.  Use split_args() from utils.  Force -C/--carbon-copy if no -d/--done and no [rene] in -m/--reason.

tbm's simplification of fix_maintainer.  add include_blank_lines optional arg to prefix_multi_line_string.

rename force_move to force_reject.  Fix leading space bogosity in reject messages and don't strip blank lines