v3.0.0

#52 refactor to use DeFi Wallet Core which enables more functionality

v2.2.0

#26 #27 #28 Refactor protobuf message to class to add more functionalities and hide protobuf complexity

#32 Add test environment

Require Python >= 3.8

#25 Add mainnet and testnet-croeseid-4 network configurations

#24 Fix unable to use secure gRPC channel to interact with chain

v2.1.0

#28 Migrate to gRPC which supports chain-main using Cosmos SDK version v0.43/0.44