Modiefied the tests for the append function to conform to recent naming conventions.  Also did some minor cleanup.
Modiefied the tests for the append function to conform to recent
naming conventions.  Also did some minor cleanup.

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