Use 64bit integers for identifiers

[strk]

Topology primitive tables are created with 32bit integer identifiers. This ticket is to use 64bit integers instead.

Note that such change would also affect the relation table and the TopoElement and TopoElementArray domains.

An upgrade path should also be provided to alter existing topologies.

[strk]

NOTE: sequences already use 64bit integers (bigint) so it is only a matter of using ALTER TABLE for the tables (and something for the domains)

[adesugbaa]

We are researching migrating TIGER to POSTGIS, and would need IDs larger than the current integer. We do not need this for primitive IDs, but for consistency we can decide to use BIGINT (INT8) for all IDs, related tables, functions and types.

I have made local changes to our instance, but we will need this in the base product so we can use cloud services like AWS Aurora for our proof of concept.

I will be contributing these changes to the extension.