fix feed API helper URL #537
fix feed API helper URL #537

chaveiro/emoncms,emoncms/emoncms,emoncms/emoncms,jeremypoulter/emoncms,chaveiro/emoncms,thaipowertech/emoncms,inverse/emoncms,inverse/emoncms,emoncms/emoncms,emoncms/emoncms,chaveiro/emoncms,thaipowertech/emoncms,emoncms/emoncms,jeremypoulter/emoncms,inverse/emoncms,thaipowertech/emoncms,thaipowertech/emoncms,inverse/emoncms,jeremypoulter/emoncms,jeremypoulter/emoncms,chaveiro/emoncms