R/export.R

In iobis/rdvark: Darwin Core Archive validation

# todo: export flat errors table to JSON

# expected output:
#{u'INBO:BROEDVOGELATLAS:AH:00000368:00070': {'language': ['unallowed value e'],
#  'nomenclaturalCode': ['unallowed value ICNN']},
#u'INBO:BROEDVOGELATLAS:AH:00000477:00070': {'rightsHolder': ['unallowed value INO']},
#u'INBO:BROEDVOGELATLAS:AH:00000512:00070': {'language': ['unallowed value nl']},
#u'INBO:BROEDVOGELATLAS:AH:00000763:00070': {'nomenclaturalCode': ['unallowed value ICZ'],
#  'rightsHolder': ['unallowed value INTRO']},
#u'INBO:BROEDVOGELATLAS:AH:00000905:00070': {'language': ['unallowed value den']}}