Can read params from /dev/mtdblock/2 (will be changeable via a
parameter) (-i file)  If none, start from all 0xff.

-s size (def 0x40000) init to all 0xff.

pull params into a convenient structure. (dllist ???)
pull partitions into a convenient structure. (dllist ???)

Allow user to manipulate.

Write out to a file.

[partition] define <name> <base> <size> <flags>
[partition] delete <name>
[partition] reset
[params]    set var value
[all] show [params|partitions|parts]
[all] save

Allow symbolic names for flags, allow bitwise OR (|) operator.
Allow suffixes for size: kmsKMS
