parses the header line from a .koc file. This is the line that
specifies things such as the file version, and the name and version of
the offline circulation tool that generated the file. See
-L<http://wiki.koha.org/doku.php?id=koha_offline_circulation_file_format>
+L<http://wiki.koha-community.org/wiki/Koha_offline_circulation_file_format>
for more information.
pass in a string containing the header line (the first line from th