fix computation of fee without change output
fix computation of fee without change output

daxxog/clamcore,olalonde/bitcore,martindale/bitcore,bitjson/bitcore,adjoinant/bitcore,lekkas/bitcore,eXcomm/bitcore,bitpay/bitcore,genecyber/bitcore,initaldk/bitcore,eordano/bitcore,eordano/bitcore,iobond/bitcore,martindale/bitcore,braydonf/bitcore,bitpay/bitcore,litecoin-project/litecore,williamcotton/bitcore,jcvernaleo/bitcore,bitpay/bitcore,GroestlCoin/groestlcore,MonetaryUnit/bitcore,janko33bd/bitcore,bitjson/bitcore,iobond/bitcore,jcvernaleo/bitcore,MonetaryUnit/bitcore,bitjson/bitcore,UdjinM6/bitcore-dash,initaldk/bitcore,daxxog/clamcore,bitpay/bitcore,maraoz/coinforge,bilthon/bitcore,TeamPiggyCoin/PiggyCore,bankonme/bitcore,williamcotton/bitcore,adjoinant/bitcore,martindale/bitcore,TOMOAKI12345/bitcore,lekkas/bitcore,martindale/bitcore,genecyber/bitcore,litecoin-project/litecore,janko33bd/bitcore,bitjson/bitcore,olalonde/bitcore,TeamPiggyCoin/PiggyCore,maraoz/coinforge,iobond/bitcore,TOMOAKI12345/bitcore,iobond/bitcore,phplaboratory/bitcore,bilthon/bitcore,braydonf/bitcore,eXcomm/bitcore,iobond/bitcore,bankonme/bitcore,phplaboratory/bitcore