add money helper for unit conversion
add money helper for unit conversion

bitcoinbrisbane/NBitcoin,HermanSchoenfeld/NBitcoin,stratisproject/NStratis,thepunctuatedhorizon/BrickCoinAlpha.0.0.1,MetacoSA/NBitcoin,MetacoSA/NBitcoin,NicolasDorier/NBitcoin,dangershony/NStratis,you21979/NBitcoin,lontivero/NBitcoin