Bug: America/Argentina/San_Luis is not mapped to southamerica zone file

When using the timezone "America/Argentina/San_Luis" with the LAZY_LOAD loadingScheme (The default) - the zone file would not load and the following error appears:

Timezone "America/Argentina/San_Luis" is either incorrect, or not loaded in the timezone registry.

I fixed it by adding a mapping from "America/Argentina/San_Luis" to southamerica zone file