// Swift 3

func setupBeaconRegions() {

        // Use the .filterDuplicates function on an array of beacons to create a new array of only unique UUID's
        let beaconRegions: [iBeaconItem] = iBeacons.filterDuplicates { $0.uuid == $1.uuid && $0.uuid == $1.uuid }

        // Iterate through new array of unique UUIDs and start ranging those
        for beacon in beaconRegions {
            startRangingBeacon(beacon)
        }
    }