*) Added curve corner function.

*) Solved video wave issue.

*) Solved audio stuck issue.

*) Added much more collage layouts, with different shapes.

*) Improve the process speed. For parallel videos, improve more than 50%, For sequential video, improve 50%.

*) Adjust video volume for each video.

*) Resolved video audio sync issue.

*) Resolved audio noise issue when adjust the volume.

*) Fixed the bugs that cannot process.