This is a build that fixes a few issues and adds a feature some of you have been asking for.

* Fixes an error on older versions of Minecraft
* Fixed an error for certain itemstacks in disguises
* Clarified how PacketEvents needs to be updated (eg, if it needs dev builds)
* Bumped required PacketEvents
* Added config option in protocol.yml to play idle sounds, when the base entity does not play those sounds by default