function categorize($package, $category)
 {
     $categories = new Categories($this->channel);
     if (!$categories->exists($category)) {
         echo 'That category doesn\'t exist yet. Use add-category first' . PHP_EOL;
     }
     $categories->linkPackageToCategory($package, $category);
     $rcat = new REST\Category($this->restpath, $this->channel, 'rest/', $categories);
     $rcat->savePackages($category);
     $rcat->savePackagesInfo($category);
 }