used feed->exists_tag_name()  to check for unique tag:field combinations
used feed->exists_tag_name()  to check for unique tag:field combinations

chaveiro/emoncms,inverse/emoncms,emoncms/emoncms,emoncms/emoncms,emoncms/emoncms,inverse/emoncms,inverse/emoncms,chaveiro/emoncms,inverse/emoncms,chaveiro/emoncms,chaveiro/emoncms,emoncms/emoncms,emoncms/emoncms