Added compile switch to handle additional data during raw header request: Beeside the pure header also the number of the last dive is of interested. Added compile switch to stay compatible with tools which might use the raw header command Added commands to support read and write acces to sample buffer

Heinrichs Weikamp OSTC4 update files.

The builds are for testing purposes only. Be careful, they might not work and are definitely not recommended for real dives.