improve the debug print function. add multiple user filter files.
Merge branch 'workspace' of github.com:DSPay/DSValue
add a logically:only the SendCheckPoint is send and then send the lottkey.
add some log and fix the SendCheckPoint bug.
Merge remote-tracking branch 'remotes/bess/workspace'
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.
modify auto send checkpoint

Signed-off-by: franklin <flin1866@gmail.com>
Merge remote-tracking branch 'remotes/spark/workspace'
move the public key into the configuration class CChainParams and rename
the configurationn name to dspay.conf
Merge remote-tracking branch 'remotes/bruce/master'
the default difficult is needed

Signed-off-by: spark.huang <240401736@qq.com>
remove the default datadir

Signed-off-by: spark.huang <240401736@qq.com>
remove the json test code

Signed-off-by: spark.huang <240401736@qq.com>
sync with DSPay

Signed-off-by: franklin <flin1866@gmail.com>
modify config file

Signed-off-by: franklin <flin1866@gmail.com>
Merge remote-tracking branch 'remotes/spark/workspace'
change debug config

Signed-off-by: ranger.shi <ranger.shi@gmail.com>