`NameError`
`NameError`

Solves #636.

tokenly/counterparty-lib,monaparty/counterparty-lib,gotcha/testcounter,monaparty/counterparty-lib,jarymoth/counterpartyd,coinwarp/dogeparty-lib,CounterpartyXCP/counterparty-lib,F483/counterparty-lib,stefcrypto/counterparty-lib,F483/counterparty-lib,CounterpartyXCP/counterparty-lib