improve BIP32 error message
improve BIP32 error message

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