Log Message:
Updated to 0.5.0.

Update provided by Min Sik Kim <minskim@bawi.org> in PR pkg/22850.

Changes:

0.5.0
 - tried to work around some problems with readline
 - some documentation update
20030530
 - updated autoconf/automake
 - updated man page
 - pine import filter update
20021008
 - options.c rewritten (new mutt style rc file support)
 - palmcsv export filter (Koenraad Heijlen)
 - added a spec file for rpm support
 - added --with-readline configure option
 - merged newtab patch by Sinan Kaan Yerli
 - new option: add_email_prevent_duplicates
 - bugfixes
2002-03-11
 - readline support
 - abook can be compiled with g++
 - attempt to improve --datafile behavior
 - html filter update (Morten Brix Pedersen)
 - store rcfile and addressbook to .abook directory
2002-02-04
 - use getopt to parse command line (also new options added)
 - use strcoll instead of strcmp for sorting entries
 - html filter fix
 - bugfixes