OpenSubtitlesDownload 6.0

[emericg]

• Use the new REST API from opensubtitles.com
• Various CLI improvements

A valid account from opensubtitles.com is still REQUIRED to run the script

An "old" opensubtitles.org account won't work anymore

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This discussion was created from the release OpenSubtitlesDownload 6.0.

[emericg]

Special thanks to @FriendlyTroll for getting the ball rolling on the new REST API.

Feel free to open issues if you spot anything that may have been broken in the process of overhauling the script to work with the new and improved service from opensubtitles.com!