* parse arrays out of PQgetvalue
+* listenAsync & notifyAsync
+* COPY: getAsync & putAsync
+* pq\Exception
+* pq\Event\Result\Destroy,
+* pq\Event\Connection\Destroy
+
+* bound columns/variables
+* fetchInto/fetchCtor?
+* unlisten?
+* pq\Result->__clone through PQcopyResult?
+* LOB stream wrapper
+* LOB convenience import/export over php streams