[bind10-dev] support multiple datasources (using sqlite3 for now)?

[Jeremy C. Reed]

How easy would it be to support multiple sqlite3 database files?

So the auth server can serve data from the first sqlite3 database that 
contains the matching query. I am not sure how to define the order 
though -- so maybe just use in order configured for now.

I assume this would later be abstracted so the datasource could be a 
flat file, in-memory, etc later ...