Readable repr for Metadata and MetadataSet
Readable repr for Metadata and MetadataSet

nismod/smif,nismod/smif,nismod/smif,willu47/smif,tomalrussell/smif,tomalrussell/smif,tomalrussell/smif,tomalrussell/smif,willu47/smif,nismod/smif,willu47/smif,willu47/smif