code: public function setFlashBag($sName, $sValue)
  	 {
    		if (!isset($_SESSION['flashbag'])) { $_SESSION['flashbag'] = array(); }
  
    		$_SESSION['flashbag'][$sName] = $sValue;
    		return $this;
  	}
docs: set a flashbag value
  
  @access public
  @param  string $sName name of the session
  @param  string $sValue value of this sesion var
  @return \Venus\lib\Session