another mock node lock fix
checking instance identity and adding a stubbed prepare integration test
fixing comment
changing the integration test to work with a query rate, not a maximum number of open queries
adding instrumentation for query time
locking instance serialization
draining pending messages before doing integrity checks, adding pending message instrumentation
adding some todos, and small optimizations
adding more todos
making defer loop use only a single commit event channel
adding more mock cluster test output
adding notes on current issues
disabling async execute on commit message
limiting the number of instances marked as dependencies
adding json marshalling methods to node id and instance id to help exporting state for debug analysis
reworking the analysis of mismatched instruction sets
reworking parts of the dependency graph builder
adding tests around the ordering of execution