public function setOption($option, $value)
    {
        $option                 = strtolower($option);
        $this->options[$option] = $value;
        return $this;
    }
public function setOption($option, $value)
    {
        $option                 = strtolower($option);
        $this->options[$option] = $value;
        return $this;
    }
public function setOption ( $ option , $ value ) { $ option = strtolower ( $ option ) ; $ this -> options [ $ option ] = $ value ; return $ this ; }
Set an individual option

Keys are normalized to lowercase. After setting internally, calls
{@link setStorageOption()} to allow further processing.


@param  string $option
@param  mixed $value
@return StandardConfig
Set an individual option