More progress
More progress

Use library fd open/close routines

Preface function names with tags to prevent collisions

Fix BuildValue strings

Implement inquiry

Implement sense

Signed-off-by: Andy Grover <b7d524d2f5cc5aebadb6b92b08d3ab26911cde33@redhat.com>

agrover/python-sgutils,agrover/python-sgutils