New stuff at the end.

 * October 2007 : EditObj 2 0.1rc1
   * Full rewrite of EditObj 1
   * Now support both Tk and Gtk 2
   * Add support for sets and frozensets in observe
   * Not compatible with EditObj 1

 * October 2007 : EditObj 2 0.1
   * Hierarchy pane was not completely hidden when it is empty
