Fix youtube support

Update lavaplayer source version

Release 5.6.0

Maintenance release with upgrade of backing libraries (JDA and Lavaplayer).

Not all features are fully available and tested, but it should be better than the current state

Full Changelog: release-5.5.6...release-5.6.0

Add session handling

release-5.5.6

Add session handling

Release 5.5.5 Update JDA for Bugfix

release-5.5.5

Bump Release Version

Release 5.5.4 Fix frontend problem

release-5.5.4

Fix initialization error

Release 5.5.3

Some finishing touches for 5.5

Release 5.5.2

release-5.5.2

Add node to build

Release 5.5.1 Fix minor Bugs

release-5.5.1

Add node to build

Release 5.5.0 Implement Frontend

Full Changelog: release-5.4.2...release-5.5.0

Release 5.4.2 Allow unsetting joinsound

release-5.4.2

Allow unset joinsound