Added support for MARC-21 and for matching tags instead of only subfields.
Added support for MARC-21 and for matching tags instead of only subfields.

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