also define your arguments, such as which balancer you want and any arguments
that the Pool object should get.
+ my $schema = Schema::Class->clone;
$schema->storage_type( ['::DBI::Replicated', {balancer=>'::Random'}] );
+ $schema->connection(...);
Next, you need to add in the Replicants. Basically this is an array of
arrayrefs, where each arrayref is database connect information. Think of these