Adds the ability to override the level in the IslandLevelCalculatedEvent

https://github.com/BentoBoxWorld/Level/issues/125

src/main/java/world/bentobox/level/calculators/CalcIslandLevel.java

@@ -390,7 +390,7 @@ public class CalcIslandLevel {
          * Set level
          * @param level - level
          */
-        public void setLevel(int level) {
+        public void setLevel(long level) {
             this.level.set(level);
         }
         /**

src/main/java/world/bentobox/level/event/IslandLevelCalculatedEvent.java

@@ -60,13 +60,22 @@ public class IslandLevelCalculatedEvent extends IslandBaseEvent {
         return results.getLevel();
     }
     
+
+    /**
+     * Overwrite the level. This level will be used instead of the calculated level.
+     * @param level - the level to set
+     */
+    public void setLevel(long level) {
+        results.setLevel(level);
+    }
+    
     /**
      * @return number of points required to next level
      */
     public long getPointsToNextLevel() {
         return results.getPointsToNextLevel();
     }
-    
+        
     /**
      * @return a human readable report explaining how the calculation was made
      */
@@ -95,5 +104,4 @@ public class IslandLevelCalculatedEvent extends IslandBaseEvent {
         this.targetPlayer = targetPlayer;
     }
 
-
 }