Added count, count-if, count-if-not, merge, and sort to the list of shadowed and exported symbols.
Added count, count-if, count-if-not, merge, and sort to the
list of shadowed and exported symbols.

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