text: 
  exports.get = function(obs, key){
  	if(typeof obs.attr === "function") {
  		return obs.attr(key);
  	} else {
  		return obs[key];
  	}
  };
  
  exports.set = function(obs, key, value){
  	if(typeof obs.attr === "function") {
  		obs.attr(key, value);
  	} else {
  		obs[key] = value;
  	}
  };
  