Added code to save newly generated csr and key. save_key_csr - needs to be tested
Added code to save newly generated csr and key. save_key_csr - needs to be tested

brentdax/letsencrypt,lmcro/letsencrypt,Bachmann1234/letsencrypt,sjerdo/letsencrypt,ruo91/letsencrypt,sapics/letsencrypt,Sveder/letsencrypt,lbeltrame/letsencrypt,vcavallo/letsencrypt,Sveder/letsencrypt,solidgoldbomb/letsencrypt,modulexcite/letsencrypt,jsha/letsencrypt,letsencrypt/letsencrypt,piru/letsencrypt,BKreisel/letsencrypt,ahojjati/letsencrypt,jmhodges/letsencrypt,beermix/letsencrypt,letsencrypt/letsencrypt,xgin/letsencrypt,dietsche/letsencrypt,piru/letsencrypt,jmaurice/letsencrypt,bestwpw/letsencrypt,ahojjati/letsencrypt,BillKeenan/lets-encrypt-preview,BKreisel/letsencrypt,sapics/letsencrypt,hlieberman/letsencrypt,modulexcite/letsencrypt,thanatos/lets-encrypt-preview,deserted/letsencrypt,twstrike/le_for_patching,BillKeenan/lets-encrypt-preview,mitnk/letsencrypt,kuba/letsencrypt,twstrike/le_for_patching,mitnk/letsencrypt,mrb/letsencrypt,Jonadabe/letsencrypt,riseofthetigers/letsencrypt,vcavallo/letsencrypt,rugk/letsencrypt,rugk/letsencrypt,thanatos/lets-encrypt-preview,luorenjin/letsencrypt,lmcro/letsencrypt,Jadaw1n/letsencrypt,digideskio/lets-encrypt-preview,skynet/letsencrypt,g1franc/lets-encrypt-preview,jtl999/certbot,bsmr-misc-forks/letsencrypt,skynet/letsencrypt,Bachmann1234/letsencrypt,tdfischer/lets-encrypt-preview,solidgoldbomb/letsencrypt,Hasimir/letsencrypt,Jonadabe/letsencrypt,tdfischer/lets-encrypt-preview,riseofthetigers/letsencrypt,PeterMosmans/letsencrypt,kuba/letsencrypt,Hasimir/letsencrypt,kevinlondon/letsencrypt,dietsche/letsencrypt,tyagi-prashant/letsencrypt,mrb/letsencrypt,xgin/letsencrypt,jtl999/certbot,hsduk/lets-encrypt-preview,beermix/letsencrypt,goofwear/letsencrypt,sjerdo/letsencrypt,PeterMosmans/letsencrypt,diracdeltas/lets-encrypt-preview,fmarier/letsencrypt,armersong/letsencrypt,DavidGarciaCat/letsencrypt,stweil/letsencrypt,armersong/letsencrypt,TheBoegl/letsencrypt,martindale/letsencrypt,digideskio/lets-encrypt-preview,rutsky/letsencrypt,g1franc/lets-encrypt-preview,diracdeltas/lets-encrypt-preview,hlieberman/letsencrypt,TheBoegl/letsencrypt,martindale/letsencrypt,rutsky/letsencrypt,ruo91/letsencrypt,hsduk/lets-encrypt-preview,bsmr-misc-forks/letsencrypt,wteiken/letsencrypt,stewnorriss/letsencrypt,lbeltrame/letsencrypt,bestwpw/letsencrypt,ghyde/letsencrypt,fmarier/letsencrypt,kevinlondon/letsencrypt,rlustin/letsencrypt,jmaurice/letsencrypt,deserted/letsencrypt,wteiken/letsencrypt,ghyde/letsencrypt,VladimirTyrin/letsencrypt,rlustin/letsencrypt,Jadaw1n/letsencrypt,tyagi-prashant/letsencrypt,stewnorriss/letsencrypt,DavidGarciaCat/letsencrypt,luorenjin/letsencrypt,goofwear/letsencrypt,stweil/letsencrypt,jsha/letsencrypt,jmhodges/letsencrypt,brentdax/letsencrypt,VladimirTyrin/letsencrypt