code: public MapAddon getAddon(String id) {
  		MapAddon found = null;
  		for (MapAddon addon : addons) {
  			if (addon.getId().equals(id)) {
  				found = addon;
  				break;
  			}
  		}
  		return found;
  	}
docs: Returns {@link MapAddon} with given id if found. Otherwise null is returned.
  
  @param id
  @return null if no addon with given id was found