title: Bulk operation does not work on Sugar ORM
body: <p>I'm using Sugar ORM and i want to delete all the table that I'm using but that doesn't work and dont show any error in the log file:</p>
  
  <p>Here is my modele:</p>
  
  <pre><code> private String name;
  private String lastName;
  private String imgSoc;
  private Boolean follow;
  private String adresse;
  private String site;
  private int numOffres;
  
  public Society( String name, String lastName, 
          String imgSoc, Boolean follow, String adresse, String site,
          int numOffres) {
  
  
      this.name = name;
      this.lastName = lastName;
      this.imgSoc = imgSoc;
      this.follow = follow;
      this.adresse = adresse;
      this.site = site;
      this.numOffres = numOffres;
  }
  </code></pre>
  
  <p>and the commande :</p>
  
  <pre><code>   Society.deleteAll(Society.class);
  </code></pre>