Undocumented predicates

The following predicates are exported, but not or incorrectly documented.

 gtk_builder_add_from_string(Arg1, Arg2, Arg3)

 gtk_builder_add_objects_from_string(Arg1, Arg2, Arg3, Arg4)

 gtk_builder_connect_signals(Arg1, Arg2)

 gtk_dialog_new_with_buttons(Arg1, Arg2, Arg3, Arg4, Arg5)

 gtk_file_chooser_dialog_new(Arg1, Arg2, Arg3, Arg4, Arg5)

 gtk_list_store_new(Arg1, Arg2)

 gtk_message_dialog_format_secondary_markup(Arg1, Arg2)

 gtk_message_dialog_format_secondary_text(Arg1, Arg2)

 gtk_message_dialog_new(Arg1, Arg2, Arg3, Arg4, Arg5, Arg6)

 gtk_tree_store_new(Arg1, Arg2)

 gtk_widget_hide_on_delete(Arg1, Arg2, Arg3, Arg4)