public function setAllowedMimeTypes (...$allowedMimeTypes)
    {
    	if (is_array($allowedMimeTypes[0]))
        	$this->allowedMimeTypes 	= array_merge($this->allowedMimeTypes, $allowedMimeTypes[0]);
        else
        	$this->allowedMimeTypes 	= array_merge($this->allowedMimeTypes, $allowedMimeTypes);
    }