public function get( $key, $default = null ) 
	{
		if ( !isset( $this->GET[$key] ) ) 
		{
			return $default;
		}
		return $this->GET[$key];
	}
public function get( $key, $default = null ) 
	{
		if ( !isset( $this->GET[$key] ) ) 
		{
			return $default;
		}
		return $this->GET[$key];
	}
public function get ( $ key , $ default = null ) { if ( ! isset ( $ this -> GET [ $ key ] ) ) { return $ default ; } return $ this -> GET [ $ key ] ; }
get a GET param

@param string		$key
@param mixed		$default
@return mixed
get a GET param