- Updated callback methodology for translators, use CODE reference when not calling methods in the default translator
- Added optional argument to write() for an object specific translator, overriding the default translator
- GTF and GTF serializers for human chromosome 1 as samples, GTF is not complete for all needed attributes for Ensembl standard file
- Move the GFF Metadata object to be a GXF Metadata object, as we insert similar headers in the GTF files
- Allow Bio::Ensembl::IO::Object's to be their own translators, so they don't need to know about formats
- Depricate create_record(), combine_fields() in Bio::Ensembl::IO::Object's