Add speed test for different string joining methods
Add speed test for different string joining methods

igvteam/igv,itenente/igv,godotgildor/igv,amwenger/igv,itenente/igv,itenente/igv,godotgildor/igv,godotgildor/igv,amwenger/igv,amwenger/igv,igvteam/igv,igvteam/igv,amwenger/igv,godotgildor/igv,itenente/igv,amwenger/igv,igvteam/igv,itenente/igv,igvteam/igv,godotgildor/igv