code: function(iobj, interface_list){
  	var retval = true;
  	each(interface_list, function(iface){
  	    //print('|' + typeof(in_key) + ' || ' + typeof(in_val));
  	    //print('|' + in_key + ' || ' + in_val);
  	    if( typeof(iobj[iface]) == 'undefined' &&
  		typeof(iobj.prototype[iface]) == 'undefined' ){
  		    retval = false;
  		    throw new Error(_what_is(iobj) +
  				    ' breaks interface ' + iface);
                  }
  	});
  	return retval;
      }
docs: Check to see if all top-level objects in a namespace supply an
  "interface".
  
  Mostly intended for use during unit testing.
  
  TODO: Unit test this to make sure it catches both prototype (okay I
  think) and uninstantiated objects (harder/impossible?).
  
  @param {} iobj - the object/constructor in question
  @param {} interface_list - the list of interfaces (as a strings) we're looking for
  @returns {boolean} boolean