Add function to check address equivalence
Add function to check address equivalence

As we start needing to compare addresses, provide a central function
to handle the various oddities associated with that.

xcat2/confluent,jjohnson42/confluent,whowutwut/confluent,jjohnson42/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,whowutwut/confluent,xcat2/confluent,whowutwut/confluent,whowutwut/confluent