code: public EmbedBuilder setAuthor(String name, String url)
      {
          return setAuthor(name, url, null);
      }
docs: Sets the Author of the embed. The author appears in the top left of the embed and can have a small
  image beside it along with the author's name being made clickable by way of providing a url.
  This convenience method just sets the name and the url.
  
  <p><b><a href="http://i.imgur.com/JgZtxIM.png">Example</a></b>
  
  @param  name
  the name of the author of the embed. If this is not set, the author will not appear in the embed
  @param  url
  the url of the author of the embed
  
  @throws java.lang.IllegalArgumentException
  <ul>
  <li>If the length of {@code url} is longer than {@link net.dv8tion.jda.core.entities.MessageEmbed#URL_MAX_LENGTH}.</li>
  <li>If the provided {@code url} is not a properly formatted http or https url.</li>
  </ul>
  
  @return the builder after the author has been set