tinydebian.el (tinydebian-bts-bug-number-pure-p): New

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
tinydebian.el (tinydebian-debian-parse-bts-bug-info-raw): Adjust to 80 col

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
(tinydebian-debian-bug-info-message-content-insert): New

Signed-off-by: Jari Aalto <jari.aalto@cante.net>