Pack bucket updates only inside the buckets.
Pack bucket updates only inside the buckets.

Use unsigned integers to represent them in the rest of the code.

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs