2009-10-17 Yutaro Hiraoka <imasahiro@users.sourceforge.jp>
    * graphviz.c            fix p_char to String_to_

2009-10-03 Yutaro Hiraoka <utrhira@users.sourceforge.jp>
    * README                
    * sample/sample.k       fixed some.
2009-10-3 Masaaki Goshima <goccy54@users.sourceforge.jp>
    * graphviz.c            fixed some.
    * graphviz.k            fixed some.
    * sample/sample.k       fixed some.
    * sample/sample2.k      fixed some.
2009-10-5 Masaaki Goshima <goccy54@users.sourceforge.jp>
    * graphviz.c            fixed some.
    * graphviz.k            fixed some.
    * sample/sample.k       fixed some.
    * sample/sample2.k      fixed some.
