Catch NullPointerException on PlayerQuit

src/main/java/me/blackvein/quests/Quest.java

@@ -78,7 +78,7 @@ public class Quest {
     public Stage getStage(int index) {
         try {
             return orderedStages.get(index);
-        } catch (IndexOutOfBoundsException e) {
+        } catch (Exception e) {
             return null;
         }
     }

src/main/java/me/blackvein/quests/Quester.java

@@ -307,7 +307,6 @@ public class Quester {
                 
                 }
                 
-                
             }
 
             stack.setItemMeta(book);