several fixes and enhancements for FPC
  *  added new samples 01, 02 and 04 for FPC/Lazarus
  *  fix pure pascal compilation issue
  *  integrating late binding variant FPC bug http://bugs.freepascal.org/view.php?id=26773 resolution - from our rough preliminary tests, sounds working as expected, i.e. as with Delphi - thanks to the FPC team and Michael Van Canneyt for the quick resolution in 2.7.1 branch!