Log Message:
update to 0.50.18

0.50.18 - [stable branch] - Sun Apr 18 2004, joern

Bugfixes:
- ac3 passthrough was broken. Thanks for reporting
  to James Broberg <jbrobergAT cs.rmit.edu.au> and
  TOSOVSKY Ales <tosovsky AT znalecka.cz>

0.50.17 - [stable branch] - Sat Apr 10 2004, joern

Features:
- support for another transcode deinterlacer (I=5),
  suggested by Jean-Yves Simon <lethalwp AT tiscali.be>

Bugfixes:
- mp3 samplerate setting didn't work, only 48khz
  for CVD. Thanks for the report to Neverstopdreaming
  <neverstopdreaming AT tiscali.it>.
- dvd::rip couldn't open empty project files
- prevent timeouts when encoding Ogg/Vorbis in cluster mode
- vobsub creation now splits with millisecond precision,
  thanks for the patch to Jean-Yves Simon