def contributor(id_or_ids)
      if id_or_ids.kind_of? Array
        multiple_ids = true
        url = Base + 'contributor/' + id_or_ids.join(',')
        props = properties()
        if id_or_ids.size > props['contributor.max.ids'] 
          contributors = []
          id_or_ids.each_slice(props['contributor.max.ids']) do |ids_slice|
            contributors = contributors + contributor(ids_slice)
          end
          return contributors
        end
      else
        multiple_ids = false
        id = id_or_ids.to_s
        if id == 'me'
          url = Base + 'contributor'
        else
          url = Base + 'contributor/' + id
        end
      end
      response = @fs_communicator.get(url)
      familytree = parse_response(response)
      if multiple_ids
        return familytree.contributors
      else
        return familytree.contributors.first
      end
    end
def contributor(id_or_ids)
      if id_or_ids.kind_of? Array
        multiple_ids = true
        url = Base + 'contributor/' + id_or_ids.join(',')
        props = properties()
        if id_or_ids.size > props['contributor.max.ids'] 
          contributors = []
          id_or_ids.each_slice(props['contributor.max.ids']) do |ids_slice|
            contributors = contributors + contributor(ids_slice)
          end
          return contributors
        end
      else
        multiple_ids = false
        id = id_or_ids.to_s
        if id == 'me'
          url = Base + 'contributor'
        else
          url = Base + 'contributor/' + id
        end
      end
      response = @fs_communicator.get(url)
      familytree = parse_response(response)
      if multiple_ids
        return familytree.contributors
      else
        return familytree.contributors.first
      end
    end
===params
 <tt>id_or_ids</tt> should be a string of the persons identifier. For the 'me' person, use :me or 'me'. Can also accept an array of ID strings.
 <tt>options</tt> accepts a hash of parameters as documented by the API.
 For full parameter documentation, see DevNet[https://devnet.familysearch.org/docs/api-manual-reference-system/familytree-v2/r_api_family_tree_person_read_v2.html]

 ===Example
   # communicator is an authenticated FsCommunicator object
   # Request a person with no assertions, only the version.
   p = communicator.familytree_v2.person :me, :names => 'none', :genders => 'none', :events => 'none'

   p.version # => '90194378772'
   p.id # => 'KW3B-NNM'