fuel/fuel/core/classes/session/driver.php
public function set_config($name, $value = null)
	{
		if (isset($this->config[$name])) $this->config[$name] = $value;

		return $this;
	}
public function set_config($name, $value = null)
	{
		if (isset($this->config[$name])) $this->config[$name] = $value;

		return $this;
	}
public function set_config ( $ name , $ value = null ) { if ( isset ( $ this -> config [ $ name ] ) ) $ this -> config [ $ name ] = $ value ; return $ this ; }
set a runtime config value

@param	string	name of the config variable to set
@access	public
@return  Fuel\Core\Session_Driver
set a runtime config value