1.3.1

Bug fixes:

• Fixes a condition where tracking of DWM-composed frames can be lost, leading to frames being incorrectly reported as dropped.

Known issues:

• Lost packet error reported while capturing DirectX12 Battlefield (#22)
• System slowdown and/or OS lock may occur on some Windows7 PCs (#44, #52)
• Only one PresentMon process may run at a time (#51)
• Very rarely, a frame may be reported with an impossibly-large display duration (#49)