VHelper::get_public_keys in tool/src/commands/mod.rs should merge keys
Instead of using the last version of a key that is seen, keys should be merged. Also, it is possible that keyids collide. We should just get rid of the hashmap.
Instead of using the last version of a key that is seen, keys should be merged. Also, it is possible that keyids collide. We should just get rid of the hashmap.