tools: negative values are present when min > max

If min > max, that means that the values are possibly negatives.

This removes the special handling for vendor fields in the twos complement.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
tools: implement 2-pass parsing/show to avoid guess of negative mins

negative values are given by min > max. However, with a single pass reading
and dumping, this condition can not be checked.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Release version 0.5

This time, update configure.ac accordingly.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>