Fixed a problem where the key function was applied to the item instead of to the elements of the sequence.  Now all tests pass, but there are not enough tests yet.
Fixed a problem where the key function was applied to the item
instead of to the elements of the sequence.  Now all tests pass, but
there are not enough tests yet.

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