code: function dotdir(base) {
    if (base.indexOf('/.') !== -1) {
      return true;
    }
    if (base.charAt(0) === '.' && base.charAt(1) !== '/') {
      return true;
    }
    return false;
  }
docs: Returns true if the glob matches dot-directories.
  
  @param  {Object} `tok` The tokens object
  @param  {Object} `path` The path object
  @return {Object}