public static function find_one_by($column, $value = null, $operator = '=')
	{
		$config = array(
			'limit' => 1,
		);

		if (is_array($column) or ($column instanceof \Closure))
		{
			$config['where'] = $column;
		}
		else
		{
			$config['where'] = array(array($column, $operator, $value));
		}

		$result = static::find($config);

		if ($result !== null)
		{
			return reset($result);
		}

		return null;
	}