Untangle the mess having to do with how PgSQL types are mapped to Python types, by adding a _TypeManager helper class to manage things.  Now it's easy to register additional type mappings on a per-connection basis.
Untangle the mess having to do with how PgSQL types are mapped to Python types,
by adding a _TypeManager helper class to manage things.  Now it's easy
to register additional type mappings on a per-connection basis.

d33tah/bpgsql,olopez32/py-bpgsql,barryp/py-bpgsql