Ytcc

* Add support for more YouTube domains like `youtu.be` and `m.youtube.com`
* Channels can be added using the URL of any Video of the channel now. The URLs are not restricted to the channels homepage any more.
* Add option to skip live streams when `-d` is set and enable it by default (fixes 12 )

- Enable stderr of mpv command
- Fix crash in Termux due to missing support for multiprocessing.Pool
- Whitelist characters in quickselect mode
- Respect --no-video option in quickselect mode

Changelog
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* Fix bugs in quickselect mode
* Add more details to --bug-report-info

Changelog
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* Add youtube_dl configuration options
* Add `--bug-report-info` flag
* New quickselect option for interactive mode - enabled by default. Can be disabled and configured via the configuration file.
* Rename `--yes` to `--disable-interactive`
* Simplify printing all columns by introducing `all` option to `--columns`