code: function(){
  		var pkg = utils.extend({}, this.orig);
  
  		var isFlat = this.context.isFlatFileStructure;
  		var fileUrl = this.pkg.fileUrl;
  		var context = this.context;
  
  		if(isFlat && !pkg.__crawledNestedPosition) {
  			pkg.__crawledNestedPosition = true;
  			pkg.nextFileUrl = pkg.nestedFileUrl;
  		}
  		else {
  			// make sure we aren't loading something we've already loaded
  			var parentAddress = utils.path.parentNodeModuleAddress(fileUrl);
  			if(!parentAddress) {
  				throw new Error('Did not find ' + pkg.origFileUrl);
  			}
  			var nodeModuleAddress = parentAddress + "/" + pkg.name +
  				"/package.json";
  
  			pkg.nextFileUrl = nodeModuleAddress;
  		}
  
  		return pkg;
  	}
docs: Get the next package to look up by traversing up the node_modules.
  Create a new pkg by extending the existing one