Fix "stack" property so that it is not inadvertently exposed to scripts.
Fix "stack" property so that it is not inadvertently exposed
to scripts.

qhanam/rhino,qhanam/rhino,qhanam/rhino,qhanam/rhino,tntim96/rhino-apigee,tntim96/rhino-apigee,tntim96/rhino-apigee