paypro: add DERtoPEM and PEMtoDER tests.
paypro: add DERtoPEM and PEMtoDER tests.

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