Rename instantiateNeuronContract to setNeuronContract, to reflect what the function is actually doing.
Update the natspec:
Rename instantiateMergingPoolContract to setMergingPoolContract, to reflect what the function is actually doing.
Update the natspec:
Rename setNewRound() to beginNewRound(). As prefix set implies the caller will specify a roundId, which is not the case. The function actually increments the roundId.
