code: function() {
  			if (!this.remain.length) { return false; }
  			var next		= this.remain.shift();
  			this.absolute	= URL.absolute(this.url, next);
  			return true;
  		}
docs: Select the next viable `path` from the owning `Loader` to try and load this script from, returns true if another path is viable, false if there are no remaining acceptable paths.