expose Npc#setWorld in the api

api/src/main/java/lol/pyr/znpcsplus/api/npc/Npc.java

@@ -38,6 +38,18 @@ public interface Npc extends PropertyHolder {
      */
     void setLocation(NpcLocation location);
 
+    /**
+     * Sets the world of this NPC
+     * @param world The bukkit world to set
+     */
+    void setWorld(World world);
+
+    /**
+     * Sets the world of this NPC
+     * @param name The name world to set
+     */
+    void setWorld(String name);
+
     /**
      * Gets the hologram of this NPC
      * @return The {@link Hologram} of this NPC

plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcImpl.java

@@ -236,6 +236,11 @@ public class NpcImpl extends Viewable implements Npc {
         this.worldName = world.getName();
     }
 
+    public void setWorld(String name) {
+        delete();
+        this.worldName = name;
+    }
+
     public void swingHand(boolean offHand) {
         for (Player viewer : getViewers()) entity.swingHand(viewer, offHand);
     }