Feature Updates

• Feature: make mixing restarts if mixing_restart is smaller than drho

• Feature: pythonization of ModuleNAO and NumericalRadial

• Feature: add readin-json support

• Feature: new method of DFT+U calculation 

• Feature: release numerically stable QO with hands-on manual in tools/qo/

More information about latest updates (e.g. Test, Refactor, Bug fix and Documentation) can be found on our Github or Gitee repositories