Added handler of EventRelayMiningDifficultyUpdated and bug fixes#40

jorgecuesta merged 2 commits intomainpokt-network/pocketdex:mainfrom

feature/adds-EventRelayMiningDifficultyUpdated-handler-and-bug-fixespokt-network/pocketdex:feature/adds-EventRelayMiningDifficultyUpdated-handler-and-bug-fixesCopy head branch name to clipboard