-* parse arrays out of PQgetvalue
-* listenAsync & notifyAsync
-* LOBs
-* COPY
-* transaction savepoints
-* transaction snapshots
-
-* pq\Event\Result\Destroy,
-* pq\Event\Connection\Destroy
-
+* COPY: getAsync & putAsync
* fetchInto/fetchCtor?
* unlisten?
-* pq\Result->__clone through PQcopyResult?
-* LOB stream wrapper
+* unregister event handler?
+* binary protocol?