started testing the use of spawn instead of exec...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
moved to spawn -- still needs more error handling...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
some cleanup...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>