code: function prettyPrint(json, tabs){
  		var result = "";
  		
  		for (var property in json) {
  		    var value = json[property];
  		    
  		    if(value === undefined) {
  				continue;
  		    }
  		    
  		    if(_isJSON(value)){ result += prettyPrint(value, tabs + 1); }
  		    else { result += _appendTabs(property + " : " + value + "\n", tabs); }
  		}
  		
  		return result;
  	}
docs: /* used for better JSON responses representation