grpc-etcd-client-0.1.2.0: ChangeLog.md

# Changelog for grpc-etcd-client

## 0.1.2.0

Port to proto-lens-0.4.0.0 . The only breaking change is the re-export of 'Data.Default.Class.def' in favor of 'Data.ProtoLens.Message.defMessage'.

## 0.1.1.2

Transactions.
Watchers.
Leader election.