Fixed ensure-... and created STANDARD-OBJECT using DEFCLASS.
Fixed ensure-... and created STANDARD-OBJECT using DEFCLASS.

clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL,vtomole/SICL,clasp-developers/SICL