Moved legacy code into archive, ready for a new rapid(?) prototype.

I may regret doing this!

unit-tests/recursion.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-expected='nil 3,628,800'
-output=`target/psse <<EOF
-(progn
-  (set! fact
-    (lambda (n)
-      (cond ((= n 1) 1)
-        (t (* n (fact (- n 1)))))))
-  nil)
-(fact 10)
-EOF`
-actual=`echo $output | tail -1`
-
-if [ "${expected}" = "${actual}" ]
-then
-    echo "OK"
-    exit 0
-else
-    echo "Fail: expected '${expected}', got '${actual}'"
-    exit 1
-fi