6.3.0.0 Added image sequence etc.

6.3.0.0 Added image sequence 6.3.0.0 Added background, audio and emoji for materials 6.3.0.0 Added volume to options dialog 6.3.0.0 Added support audio of watermark for loop playback 6.3.0.0 Fixed a bug with the audio during watermark video loop playback 6.3.0.0 Fixed a bug with the image duration 6.3.0.0 Fixed a bug with the ass subtitle of style 6.3.0.0 Fixed a bug with subtitles for crop video