Stage one clean up of test files. Some unit tests are still creating temporary files in

the project root directory, which is still to be fixed; and *I think* known-failing
tests which I don't intend to fix immediately should be marked in some way.

unit-tests/slurp.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
 
-tmp=hi.$$
+tmp=tmp/hi.$$
 echo "Hello, there." > ${tmp}
 expected='"Hello, there.'
-actual=`echo "(slurp (open \"${tmp}\"))" | target/psse | tail -2 | head -1`
+actual=`echo "(slurp (open \"${tmp}\"))" | target/psse 2>&1 | tail -2 | head -1`
 
 if [ "${expected}" = "${actual}" ]
 then