Let deities build in any sector. If the deity's tech level is too
low, use the required tech level instead. Don't require or use
materials, work or money. Bridge spans still require support.
Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
drnuke_const is not covered, yet.
Random rounding causes some complications: sometimes build succeeds
without materials. Troublesome spots are clearly marked in the test
input.
Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
