public function deleteEntry($Entry)
    {
        if ($this->Using === 'APCu') {
            if (apcu_delete($Entry)) {
                return $this->Modified = true;
            }
            return false;
        }
        if ($this->Using === 'Memcached' || $this->Using === 'Redis') {
            if ($this->WorkingData->delete($Entry)) {
                return $this->Modified = true;
            }
            return false;
        }
        if ($this->Using === 'PDO') {
            $PDO = $this->WorkingData->prepare(self::deleteQuery);
            if ($PDO !== false && $PDO->execute(['key' => $Entry])) {
                return ($PDO->rowCount() > 0 && $this->Modified = true);
            }
            return false;
        }
        if (is_array($this->WorkingData)) {
            if (isset($this->WorkingData[$Entry])) {
                unset($this->WorkingData[$Entry]);
                return $this->Modified = true;
            }
        }
        return false;
    }