Add a utility to encode a sparse .vhd as an ocaml module

We'll use this to test some of the vhd access functions.

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Encode some test vhds as OCaml modules, for use in a unit test.

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Regenerate OASIS

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Rename to 'vhd-format' with version 0.0.2

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Regenerate OASIS

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Add CHANGES
Signed-off-by: David Scott <dave.scott@eu.citrix.com>