Torrt

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+ New commands for Telegram bot.
* Improved CasStudio tracker support.

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* Fixed CasStudio tracker support.

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+ Added CasStudio tracker support.
+ Bots subsystem added featuring Telegram bot.
+ Public tracker registration made optional.
* AniLibria.tv new page layout adoption and quality picker improvements.
* Telegram notifier improved.

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* Py3 compatibility improvements.

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+ Added AniLibria tracker.

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* Py3 compatibility improved.