code: function(properties_object) {
  
  		if (Lava.schema.DEBUG && properties_object && properties_object.isProperties) Lava.t("setProperties expects a plain JS object as an argument, not a class");
  
  		for (var name in properties_object) {
  
  			this.set(name, properties_object[name]);
  
  		}
  
  	}
docs: Set multiple properties at once
  @param {Object.<string, *>} properties_object A hash with new property values