Add string concatenation test

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
update list

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Update string literal escape test

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Merge pull request #5 from compudj/master

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>