improve the debug print function. add multiple user filter files.
Merge branch 'workspace' of github.com:DSPay/DSValue
Merge branch 'workspace' of github.com:DSPay/DSValue
bruce improves the log implementation.
bruce adds the seed wallet3.dspay.org into source code.
bruce fixed a bug that the Value::null is not judged when the private and
lottery keys are not exist.
Merge remote-tracking branch 'remotes/spark/workspace'