0.4:
o yenc support
o rename broken files to filename.broken
o CTRL-C/SIGINT handling: write rc file and quit after completely decoding
  current file.
o segfault fix (for postings of the type [422/7])
o ignore some uninteresting comment lines (no .desc file)
o don't assume last line before 'end' is not allowed to contain data in
  uu data

0.3:
First semi-released version