Merge branch 'legacy/pm3' into stable

src/event/player/PlayerExperienceChangeEvent.php

@@ -82,6 +82,9 @@ class PlayerExperienceChangeEvent extends EntityEvent implements Cancellable{
 	}
 
 	public function setNewProgress(?float $newProgress) : void{
+		if($newProgress < 0.0 || $newProgress > 1.0){
+			throw new \InvalidArgumentException("XP progress must be in range 0-1");
+		}
 		$this->newProgress = $newProgress;
 	}
 }