function addLanguage($languageKey, $content) {
        //If the langage exists and it's an array, add to it instead of replacing it.
        if (is_array($this->getLanguage($languageKey))) {
            $this->languages[$languageKey][] = $content[0];
            return;
        }
        $this->languages[$languageKey] = $content;
        return $this;
    }