Change IsDirty and IsValid to use IsSelfDirty and IsSelfValid.
Change IsDirty and IsValid to use IsSelfDirty and IsSelfValid.

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