add test to confirm correctness of sha512hmac
add test to confirm correctness of sha512hmac

Kefkius/clamcore,Bushstar/feathercore,sEpuLchEr/bitcore,lekkas/bitcore,litecoin-project/litecore,casinocoin/csc-bitcore-v0.1,janko33bd/bitcore,daxxog/clamcore,daxxog/clamcore,KainiIndustries/hullcore,Bushstar/talentcore,habibmasuro/reddcore,MulticoinExplorer/bitcore,KainiIndustries/hullcore,KainiIndustries/hullcore,janko33bd/bitcore,TOMOAKI12345/bitcore,Kefkius/clamcore,bitpay/bitcore,MonetaryUnit/bitcore,sEpuLchEr/bitcore,martindale/bitcore,bitpay/bitcore,phplaboratory/bitcore,pembo210/Litecore,initaldk/bitcore,pnagurny/bitcore,sEpuLchEr/bitcore,martindale/bitcore,KainiIndustries/hullcore,pembo210/Litecore,UdjinM6/bitcore-dash,eXcomm/bitcore,genecyber/bitcore,eordano/bitcore,casinocoin/csc-bitcore-v0.1,UdjinM6/darkcore,jcvernaleo/bitcore,MulticoinExplorer/bitcore,UdjinM6/darkcore,Bushstar/talentcore,bitjson/bitcore,Bushstar/talentcore,Kefkius/clamcore,iobond/bitcore,Bushstar/bollycore,MulticoinExplorer/bitcore,bankonme/bitcore,Bushstar/bollycore,eordano/bitcore,Bushstar/talentcore,bilthon/bitcore,genecyber/bitcore,Kefkius/clamcore,KainiIndustries/hullcore,habibmasuro/reddcore,iobond/bitcore,braydonf/bitcore,TeamPiggyCoin/PiggyCore,braydonf/bitcore,casinocoin/csc-bitcore-v0.1,Kefkius/clamcore,habibmasuro/reddcore,pembo210/Litecore,UdjinM6/darkcore,Bushstar/feathercore,bitjson/bitcore,casinocoin/csc-bitcore-v0.1,williamcotton/bitcore,UdjinM6/darkcore,Bushstar/feathercore,bitjson/bitcore,UdjinM6/darkcore,phplaboratory/bitcore,Bushstar/bollycore,litecoin-project/litecore,olalonde/bitcore,MonetaryUnit/bitcore,pembo210/Litecore,sEpuLchEr/bitcore,Bushstar/feathercore,adjoinant/bitcore,GroestlCoin/groestlcore,TeamPiggyCoin/PiggyCore,habibmasuro/reddcore,bitpay/bitcore,initaldk/bitcore,KainiIndustries/hullcore,adjoinant/bitcore,sEpuLchEr/bitcore,maraoz/coinforge,habibmasuro/reddcore,MulticoinExplorer/bitcore,bankonme/bitcore,williamcotton/bitcore,martindale/bitcore,pnagurny/bitcore,bilthon/bitcore,iobond/bitcore,eXcomm/bitcore,bitpay/bitcore,bitjson/bitcore,UdjinM6/darkcore,casinocoin/csc-bitcore-v0.1,TOMOAKI12345/bitcore,Bushstar/bollycore,lekkas/bitcore,iobond/bitcore,martindale/bitcore,iobond/bitcore,olalonde/bitcore,casinocoin/csc-bitcore-v0.1,MulticoinExplorer/bitcore,maraoz/coinforge,jcvernaleo/bitcore