# Package NutsDB
- Implement new logger into NutsDB package
- Optimize concurrent work for package NutsDB
# Package Cluster
- Change logger into cluster
- Change SetLoggerFactory : no more init call
# Package Logger
- Fix error into logger with logrus logger dup : level not included in dup function
- use lib nutsdb (https://github.com/xujiajun/nutsdb)
- implement client to use embedded db cluster
- convert nutsdb lib as clustered nutsdb with lib cluster (based on dragonboat)
- implement disk backend lib for dragonboat
- add complete config with nutsdb, node & cluster with validator