fakezk: fix create node with prefix sequence
More coverage in this test case, better checks of the queries.
Merge branch 'master' into resharding
Merge pull request #120 from ngaut/master

fakezk: fix create node with prefix sequence
More styling changes to VtGate client
Merge branch 'master' into resharding
Merge pull request #121 from youtube/resharding

Improving the worker test case.
Merge branch 'master' into replication