dont print if newer input

ddg.go

@@ -11,6 +11,10 @@ import (
 	"./rofi"
 )
 
+var (
+	serial = 0
+)
+
 func getSuggestions(query string) []string {
 	param := url.Values{}
 	param.Add("q", query)
@@ -45,9 +49,16 @@ func handleSelect(input rofi.Input) {
 }
 
 func handleInputChange(input rofi.Input) {
+	serial++
+	go genOutput(input, serial)
+}
+
+func genOutput(input rofi.Input, mySerial int) {
 	output := rofi.NewOutput()
 	output.Lines = rofi.ConvertStringsToLine(getSuggestions(input.Value))
+	if serial == mySerial {
 		rofi.SendOutput(output)
+	}
 }
 
 func main() {