fix bug with missing undolog_blocks entries for blocks with no CP transactions...
fix bug with missing undolog_blocks entries for blocks with no CP transactions...

CounterpartyXCP/counterparty-lib,F483/counterparty-lib,F483/counterparty-lib,CounterpartyXCP/counterparty-lib,monaparty/counterparty-lib,monaparty/counterparty-lib