Added test for FOR-THE-HASH-KEYS-OF with FLOAT type declaration.
Added test for FOR-THE-HASH-KEYS-OF with FLOAT type declaration.

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