message: fix momentum
diff: @@ -16,7 +16,7 @@ export function momentum(current, start, time, lowerMargin, upperMargin, wrapper
  destination = wrapperSize ? Math.max(lowerMargin - wrapperSize / 4, lowerMargin - (wrapperSize / rate * speed)) : lowerMargin
  duration = swipeBounceTime
  } else if (destination > upperMargin) {
  - destination = wrapperSize ? Math.min(wrapperSize / 4, wrapperSize / rate * speed) : upperMargin
  + destination = wrapperSize ? Math.min(upperMargin + wrapperSize / 4, upperMargin + wrapperSize / rate * speed) : upperMargin
  duration = swipeBounceTime
  }
  