Make IsAsync virtual. bugid: 759
Make IsAsync virtual.
bugid: 759


MarimerLLC/csla,MarimerLLC/csla,ronnymgm/csla-light,rockfordlhotka/csla,ronnymgm/csla-light,jonnybee/csla,jonnybee/csla,JasonBock/csla,ronnymgm/csla-light,JasonBock/csla,MarimerLLC/csla,rockfordlhotka/csla,BrettJaner/csla,rockfordlhotka/csla,BrettJaner/csla,BrettJaner/csla,JasonBock/csla,jonnybee/csla