Version 1.2.7 [WebGL]Added Unity2019.1 or later support.

Version 1.3.8（current） [Common]Changed to use unsafe code by default. [Common]Optimized the amount of memory allocation, in the FaceLandmarkDetector class.

Version 1.1.3[Common]Fixed to improve the pose estimation performance.[Common] Changed DetectLandmarkArray (int left, int top, int width, int height) to DetectLandmarkArray (double left, double top, double width, double height).[WebGL]Fixed Utils.getFilePathAsync() method.