Merge branch 'release-5.2' of gitlab.demlabs.net:cellframe/pycfhelpers into release-5.2

cellframenet.py

@@ -5,7 +5,7 @@ from DAP import Crypto
 from DAP.Crypto import Cert, Sign
 from CellFrame.Chain import Mempool, Wallet
 from CellFrame.Consensus import DAG,Block
-from CellFrame.Common import Datum, DatumTx, TxOut, TxIn, TxToken, TxSig, TxOutCondSubtypeSrvStakeLock, TxInCond
+from CellFrame.Common import Datum, DatumTx, TxOut, TxIn, TxToken, TxSig, TxOutCondSubtypeSrvStakeLock, TxInCond,TxOutExt
 from DAP.Crypto import HashFast
 from DAP.Core import logIt
 from datetime import datetime