Humans can now do emotes (#4610)

added the following API methods:
- Human::emote()

src/player/Player.php

@@ -1841,9 +1841,7 @@ class Player extends Human implements CommandSender, ChunkListener, IPlayer{
 			$event->call();
 			if(!$event->isCancelled()){
 				$emoteId = $event->getEmoteId();
-				foreach($this->getViewers() as $player){
-					$player->getNetworkSession()->onEmote($this, $emoteId);
-				}
+				parent::emote($emoteId);
 			}
 		}
 	}