Version 0.05 4-apr-95
  1) Changed regular expressions to more closely match POSIX.
     a) Added [: :] (classes).
     b) Changed [] to use bitmaps.
     c) Changed parsing of [] to match POSIX.  All characters are now
        regular characters inside []'s, except for [: :] classes.
     d) Added () (grouping) construct.
     e) Added | (or) operator.
  2) Fixed bug in parsing command line when using "-Y" (Yarn folder) 
     option.  Options may now be placed anywhere on the command line.

Version 0.04 8-mar-95     First public release.
  1) Changed search strings to regular expressions.

Version 0.02 24-feb-95
  1) Separated search strings into an initialization file.
  2) Increased maximum line size to 2024 chars.

Version 0.01 25-jul-94
  First version.  A quick program to de-digestify a specific mail list.
