IDatabase class: MySQL Database access wrapper using MySQLi

URGENT!
 > First you need change the database access data in IDatabase.class.php line 14 to 17!

-- Sample MySQL table

CREATE TABLE IF NOT EXISTS `sample` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `name` varchar(255) NOT NULL,
  `counter` int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;

INSERT INTO `sample` (`id`, `date`, `name`, `counter`) VALUES
(1, '2014-03-06 15:45:11', 'test1', 0),
(2, '2014-03-06 15:45:16', 'test2', 0),
(3, '2014-03-06 15:45:21', 'tester1', 0),
(4, '2014-03-06 15:45:27', 'tester2', 0),
(5, '2014-03-06 15:45:34', 'tester3', 0);