updated the calcDifficulty test to make it clear with what we're testing
updated the calcDifficulty test to make it clear with what we're testing

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