get_article_comments    Get article comments
get_article_images      Get article images
get_article_text        Get article text
get_client              Client status and API usage
get_content             Content endpoint
get_content_all         Content endpoint (all)
rzeit2                  Client for the ZEIT ONLINE Content API
senti_ws                SentimentWortschatz (SentiWS)
sentiment_example       Sentiment scores for 103 ZEIT ONLINE articles
set_api_key             Set api key to the .Renviron
