Handle tile invalidates better for bigger-than-one-block cases (chunks)

src/main/java/org/dynmap/hdmap/HDMap.java

@@ -106,6 +106,11 @@ public class HDMap extends MapType {
         return perspective.getTiles(loc);
     }
 
+    @Override
+    public MapTile[] getTiles(Location loc0, Location loc1) {
+        return perspective.getTiles(loc0, loc1);
+    }
+
     @Override
     public MapTile[] getAdjecentTiles(MapTile tile) {
         return perspective.getAdjecentTiles(tile);