piCal-0.93 hacked contents
 - 2011/12/28
  -- added d3diary plugins (naao)
  -- fixed d3pipes monthly plugin that displayed each monthes last date's entry to next month. (naao)

 - 2011/12/12
  -- add plugins/monthly/bulletin_permission.php for bulletin ver3.0 or ver2.x (domifara)

 - 2011/09/16
  -- added plugins for d3pipes
  -- Work on PHP5.3 and MySQL5.5 or less version of PHP5 and MySQL5.
  -- -Overrides the meta tag 'description' of html_header by dates and post's text.

 - 2011/07/14 d3comment integtation version by naao
   see http://www.naaon.com/modules/plactice/index.php/home/hobby/xoops/pical_091h_1.htm