Update deps.
0.1.6
Assert on multi blocks.

Assert on error conditions and a basic discard command execution,
requires work to test more complex blocks.
0.1.7
Disable bad multi tests.
Implement chained multi transaction.
0.1.8
Restore multi tests.
0.1.9
Tidy multi.
Tidy multi.
Multi: private member prefix.
0.1.10