CWallet: added SetNull()
CWallet: added SetNull()
penek/novacoin,penek/novacoin,novacoin-project/novacoin,byncoin-project/byncoin,fsb4000/novacoin,byncoin-project/byncoin,byncoin-project/byncoin,novacoin-project/novacoin,penek/novacoin,penek/novacoin,novacoin-project/novacoin,novacoin-project/novacoin,byncoin-project/byncoin,byncoin-project/byncoin,penek/novacoin,penek/novacoin,novacoin-project/novacoin,fsb4000/novacoin,byncoin-project/byncoin,fsb4000/novacoin,novacoin-project/novacoin,fsb4000/novacoin,fsb4000/novacoin,fsb4000/novacoin