tests on list stuff

tests/more-tests/lists.expected

@@ -1,2 +1,9 @@
 (1 2 3)
 ("hello" "world")
+true
+true
+false
+true
+hello
+()
+world

tests/more-tests/lists.rkt

@@ -2,3 +2,11 @@
 
 '(1 2 3)
 (list "hello" "world")
+
+(empty? empty)
+(empty? '())
+(cons? '())
+(cons? '(hello))
+(first '(hello))
+(rest '(hello))
+(second '(hello world))