All unit tests passing! This is slightly a fix because there is a bug with

the character read after reading a number not being correctly pushed back
onto the input stream, but...

unit-tests/string-allocation.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+value='"Fred"'
+expected="String cell: character 'F'"
+echo ${value} | target/psse 2>&1 | grep "${expected}" > /dev/null
+
+if [ $? -eq 0 ]
+then
+    echo "OK"
+    exit 0
+else
+    echo "Expected '${expected}', not found"
+    exit 1
+fi