Added cabal and vim dir

cabal/share/x86_64-osx-ghc-7.8.4/zepto-0.6.0/stdlib/logical.scm

@@ -0,0 +1,9 @@
+(define (and . lst) "logical and on multiple values" (fold && #t lst))
+(define (or . lst) "logical or on multiple values" (fold || #f lst))
+
+(define (not x) "logical not" (if x #f #t))
+
+(define (null? obj) "test for null object"
+    (if (eqv? obj '())
+      #t
+      #f))