Update historical exchange rate query
Update historical exchange rate query

Update historical exchange rate query for bitcoinvenezuela to reduce extra data returned.
cryptapus/electrum-uno,cryptapus/electrum,aasiutin/electrum,cryptapus/electrum-uno,digitalbitbox/electrum,dabura667/electrum,cryptapus/electrum-uno,cryptapus/electrum-myr,procrasti/electrum,protonn/Electrum-Cash,aasiutin/electrum,dabura667/electrum,pknight007/electrum-vtc,aasiutin/electrum,FairCoinTeam/electrum-fair,fujicoin/electrum-fjc,spesmilo/electrum,fireduck64/electrum,fireduck64/electrum,imrehg/electrum,dashpay/electrum-dash,fyookball/electrum,molecular/electrum,vertcoin/electrum-vtc,romanz/electrum,kyuupichan/electrum,pooler/electrum-ltc,pknight007/electrum-vtc,argentumproject/electrum-arg,procrasti/electrum,protonn/Electrum-Cash,cryptapus/electrum,pooler/electrum-ltc,wakiyamap/electrum-mona,molecular/electrum,procrasti/electrum,fireduck64/electrum,cryptapus/electrum-myr,asfin/electrum,procrasti/electrum,spesmilo/electrum,kyuupichan/electrum,neocogent/electrum,FairCoinTeam/electrum-fair,vialectrum/vialectrum,digitalbitbox/electrum,digitalbitbox/electrum,dashpay/electrum-dash,argentumproject/electrum-arg,cryptapus/electrum-myr,dabura667/electrum,imrehg/electrum,asfin/electrum,vertcoin/electrum-vtc,spesmilo/electrum,argentumproject/electrum-arg,spesmilo/electrum,FairCoinTeam/electrum-fair,fujicoin/electrum-fjc,asfin/electrum,imrehg/electrum,protonn/Electrum-Cash,wakiyamap/electrum-mona,romanz/electrum,vialectrum/vialectrum,kyuupichan/electrum,lbryio/lbryum,fujicoin/electrum-fjc,molecular/electrum,protonn/Electrum-Cash,pooler/electrum-ltc,aasiutin/electrum,pknight007/electrum-vtc,FairCoinTeam/electrum-fair,dabura667/electrum,cryptapus/electrum,vertcoin/electrum-vtc,pooler/electrum-ltc,wakiyamap/electrum-mona,cryptapus/electrum-uno,wakiyamap/electrum-mona,dashpay/electrum-dash,lbryio/lbryum,fyookball/electrum,dashpay/electrum-dash,imrehg/electrum,romanz/electrum,fireduck64/electrum,vertcoin/electrum-vtc,cryptapus/electrum-myr,digitalbitbox/electrum,fyookball/electrum,pknight007/electrum-vtc,argentumproject/electrum-arg,vialectrum/vialectrum,molecular/electrum,neocogent/electrum,neocogent/electrum