Update default channel to 2

• PEP8 linting. Refactored the syntax of the settings.cfg. If you are upgrading from a previous version your settings.cfg file will be incompatible.

• Contextless drag and drop support

• Drag and drop support for files. They go into the specified output directory

File extensions can be changed for input files. Include a period in your extension ".mkv"

Initial release bundled with --enablegpl FFmpeg.
FFmpeg license: https://ffmpeg.org/legal.html

Extract and run.