v2.2.0

Changelog

• Remove limit from speed slider label/text field (see USAGE for notes)
• Save config.json in %appdata%/Soggfy for persistence between updates
• Ask to overwrite when saving M3U playlist
• Fix detection of downloaded tracks with multi disc albums (for status indicator and M3U exporter)
• Fix downloading songs with no lyrics (has_lyrics=true in metadata but API returns 404)
• Fix crash when skipping tracks close to end