Added ability to have a Publication error with NO published object

src/dorkbox/messageBus/error/PublicationError.java

@@ -103,6 +103,13 @@ class PublicationError {
         return this.publishedObjects;
     }
 
+    public
+    PublicationError setNoPublishedObject() {
+        this.publishedObjects = new Object[0];
+
+        return this;
+    }
+
     public
     PublicationError setPublishedObject(Object publishedObject) {
         this.publishedObjects = new Object[1];