Provides more errors for RFC1004
This is needed to support edgedb/edgedb-python#146 and
edgedb/edgedb-js#84
0x_05_02_00_03 MissingRequiredError
0x_05_03_00_00 TransactionError
-0x_05_03_00_01 TransactionSerializationError
-0x_05_03_00_02 TransactionDeadlockError
+0x_05_03_00_01 TransactionSerializationError #SHOULD_RETRY
+0x_05_03_00_02 TransactionDeadlockError #SHOULD_RETRY
####
0x_FF_00_00_00 ClientError
0x_FF_01_00_00 ClientConnectionError
0x_FF_01_01_00 ClientConnectionFailedError
-0x_FF_01_01_01 ClientConnectionFailedTemporarilyError #SHOULD_RECONNECT
-0x_FF_01_02_00 ClientConnectionTimeoutError #SHOULD_RECONNECT
+0x_FF_01_01_01 ClientConnectionFailedTemporarilyError #SHOULD_RECONNECT #SHOULD_RETRY
+0x_FF_01_02_00 ClientConnectionTimeoutError #SHOULD_RECONNECT #SHOULD_RETRY
+0x_FF_01_03_00 ClientConnectionClosedError #SHOULD_RECONNECT #SHOULD_RETRY
0x_FF_02_00_00 InterfaceError
