Add new dump/restore format and batch tagging.

[Ethan Glasser-Camp]

Ethan Glasser-Camp <ethan.glasser.camp at gmail.com> writes:

> - Patch 4 still has a subject line that ends in a period. I don't think
>   this is mandatory for everyone but some people consider it best
>   practice.

Best practice, of course, would be to remove the period at the end of
the subject line. Patch 12 also has one.

Ethan