Add peek() to Iterator lib util
Add peek() to Iterator lib util

fimkrypto/mofowallet,aliasgherlakkadshaw/mofowallet,aliasgherlakkadshaw/mofowallet,habibmasuro/mofowallet,fimkrypto/mofowallet,fimkrypto/mofowallet,habibmasuro/mofowallet,aliasgherlakkadshaw/mofowallet-fork,aliasgherlakkadshaw/mofowallet-fork,fimkrypto/mofowallet,habibmasuro/mofowallet,aliasgherlakkadshaw/mofowallet-fork,aliasgherlakkadshaw/mofowallet,aliasgherlakkadshaw/mofowallet,habibmasuro/mofowallet,aliasgherlakkadshaw/mofowallet-fork