Lexp: List Builtins For CWM

The module is attached as <<lexp.py>>, the test as <<lexp.n3>>, and
the test result as <<lexp-out.n3>>.

--
Kindest Regards,
Sean B. Palmer
@prefix : <http://purl.org/net/swn#> .
:Sean :homepage <http://purl.org/net/sbp/> .