Log Message:
Update to 2.0.3:

2.0.3 Fri Jan 14 17:50:12 EST 2011
        - RT#62296: fix crash when dealing with record bigger than
          99999 bytes (Alex Arnaud)
        - test cases for MARC::Field->subfields()
        - RT#61198: let subfields return an empty array on control
          fields (Colin Campbell)

2.0.2 Tue May  4 13:04:07 EDT 2010
        - RT#57180: put back and expanded copyright statement in README
          at Debian request
        - set license element in META.yml

2.0.1 Sat May  1 15:59:54 EDT 2010
        [ENHANCEMENTS]
        - improve support for subclassing MARC::Field (Dan Wells)
        - RT#55993: MARC::Record->insert_fields_after can now insert
          after last field in record (Frédéric Demians)
        - added methods to MARC::Field to allow a (class-level) list of
          fields that should be considered control fields in addition
          to 001-009. Includes test t/extra_controlfields.t, and
          supports alphabetic characters in the tag labels.  The new
          methods are
               allow_controlfield_tags
               disallow_controlfield_tags
               is_controlfield_tag
          (Bill Dueber)
        - added MARC::Record::delete_fields() and t/delete-field.t
          (Ed Summers)
        - documentation improvements (Mike Rylander and Dan Scott)
        - baked in minimum Perl version required: 5.8.2