explained also WARN level, clarified HTML level
explained also WARN level, clarified HTML level

waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,ldtri0209/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework