made prepd output zipr status as it goes for easier dev

prepd/prepd.cpp

@@ -111,6 +111,8 @@ void do_zafl(pqxx::connection &conn, int32_t log_id, const WorkUnit_t& work)
 		// record the byte in a buffer.
                 log_buffer += (char)c ;
 
+		cout << (char)c << flush;
+
 		// check if it's time to update the buffer.
 		const auto log_buff_big          = log_buffer.size() > 1024;
 	        const auto too_long              = difftime(time(nullptr), last_update) > 2;