Merge pull request #2 from swannodette/master

possible fix for listo constraint
fixing cons
Merge branch 'master' of github.com:namin/TAPL-in-miniKanren-cKanren-core.logic

Conflicts:
	clojure-tapl/tapl/src/tapl/quines_nom_red_small.clj
TODO fixed by LOGIC-97 :-)