fix use of single or multi export
fix use of single or multi export

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