Revision history for Perl extension MARC::Transform.

* 2020-10-12: Version 0.003009
    - add an optional argument to define yaml file encoding

* 2019-04-17: Version 0.003008
    - fix : so that the 010 fields are no longer considered as controlfields

* 2018-12-04: Version 0.003007
    - fixes to maintain module compatibility with the latest version of YAML Perl module

* 2014-11-25: Version 0.003006
    - improves field validation defined in the yaml
    - documentation corrections

* 2014-08-26: Version 0.003005
    - documentation update

* 2013-10-10: Version 0.003004
    - fix : prevents interpretation of incorrectly defined fields in the yaml

* 2013-09-30: Version 0.003003
    - documentation updates

* 2013-09-27: Version 0.003002
    - fixes : checks the existence of subfields defined in the yaml, prevents misinterpretation of certain characters

* 2012-04-12: Version 0.003001
    - enhancement : add optional hash reference in third argument

* 2011-12-12: Version 0.002004
    - fix : no longer displays warnings for undefined fields

* 2011-11-02: Versions 0.002002 and 0.002003
    - documentation corrections

* 2011-11-01: Version 0.002001
    - adds support of yaml files

* 2011-08-28: Version 0.001001
    - first version