Add v3.4 changelog

Author: freyacodes

CHANGELOG.md

@@ -3,6 +3,22 @@
 Each release usually includes various fixes and improvements.
 The most noteworthy of these, as well as any features and breaking changes, are listed here.
 
+## 3.4
+* 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
+[@TopiSenpai](https://github.com/TopiSenpai)
+
 ## 3.3.2.5
 * Update Lavaplayer to 1.3.76
 

IMPLEMENTATION.md

@@ -11,6 +11,8 @@ The Java client has support for JDA, but can also be adapted to work with other
 * The `error` string on the `TrackExceptionEvent` has been deprecated and replaced by 
 the `exception` object following the same structure as the `LOAD_FAILED` error on [`/loadtracks`](#rest-api)
 * Added the `connected` boolean to player updates.
+* Added source name to REST api track objects
+* Clients are now requested to make their name known during handshake
 
 ## Significant changes v2.0 -> v3.0 
 * The response of `/loadtracks` has been completely changed (again since the initial v3.0 pre-release).