Py-lav

* New plugin system. For more info see [here](https://github.com/lavalink-devs/Lavalink/blob/master/PLUGINS.md).
* Add support for HTTP proxying via httpConfig. For more info see [here](https://github.com/lavalink-devs/Lavalink/pull/595).
* Update koe version to 2.0.0-rc1.
- this fixes the WebSocketClosedEvent with code 1006 problem.
* Fix error when enabling timescale and lowpass filters.
* Fix player not playing after moving between voice chats or changing regions.
* Fix guild ids sent as numbers in json.
* Fix missing timescale natives.
* Fix setting endMarkerHit to correctly set FINISHED as the reason.
* Undeprecation of the `volume` property in the `play` OP.
* Configurable track stuck threshold. For more info see [here](https://github.com/lavalink-devs/Lavalink/pull/676).
* Add JDA-NAS support for more CPU Architectures. For more info see [here](https://github.com/lavalink-devs/Lavalink/pull/692). Big thanks goes to MinnDevelopment here.
* Update lavaplayer to [`1.3.98.4`](https://github.com/Walkyst/lavaplayer-fork/releases/tag/1.3.98.4) which fixes the latest yt cipher issues and age restricted tracks

Contributors:
[freyacodes](https://github.com/freyacodes),
[davidffa](https://github.com/davidffa),
[Walkyst](https://github.com/Walkyst),
[topi314](https://github.com/topi314),
[duncte123](https://github.com/duncte123),
[Kodehawa](https://github.com/Kodehawa),
[Devoxin](https://github.com/Devoxin),
[Muh9049](https://github.com/Muh9049),
[melike2d](https://github.com/melike2d),
[ToxicMushroom](https://github.com/ToxicMushroom),
[mooner1022](https://github.com/mooner1022),
[rohank05](https://github.com/rohank05),
[Fabricio20](https://github.com/Fabricio20),
[TheEssemm](https://github.com/TheEssemm), and
[jack1142](https://github.com/jack1142)

* New filters system
* Deprecation of `TrackExceptionEvent.error`, replaced by `TrackExceptionEvent.exception`
* Added the `connected` boolean to player updates.
* Updated lavaplayer, fixes Soundcloud
* Added source name to REST api track objects
* Clients are now requested to make their name known during handshake

Contributors:
[freyacodes](https://github.com/freyacodes),
[duncte123](https://github.com/duncte123),
[DaliborTrampota](https://github.com/DaliborTrampota),
[Mandruyd](https://github.com/Mandruyd),
[Allvaa](https://github.com/Allvaa), and
[topi314](https://github.com/topi314)

* Update Lavaplayer to 1.3.76

* Update Lavaplayer to 1.3.74

* Update Lavaplayer to 1.3.65, fixes Soundcloud

* Updated Lavaplayer to 1.3.61
* Fixed a ConcurrentModificationException ([Thewsomeguy](https://github.com/Thewsomeguy))