Last piece of the trasnsition to the new MarcReader and MarcWriter classes.
Last piece of the trasnsition to the new MarcReader and MarcWriter classes.

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools