minor
fix performance
Dev
* rename JWK_HEADER * fix performance * fix performance, use cached nonce * do not register account if already registered * fix thumbprint * minor, reduce the sleep time.
* rename JWK_HEADER * fix performance * fix performance, use cached nonce * do not register account if already registered * fix thumbprint
minor, add message
add retry to deactivate command
add retry for temp authz request error
fix https://github.com/Neilpang/acme.sh/issues/76 https://tools.ietf.org/html/rfc3278#section-8.2 http://bitcoin.stackexchange.com/questions/2376/ecdsa-r-s-encoding-as-a-signature http://davidederosa.com/basic-blockchain-programming/elliptic-curve-digital-signatures/
https://github.com/Neilpang/acme.sh/issues/79
fix https://github.com/Neilpang/acme.sh/issues/79
add deploy command
https://github.com/Neilpang/acme.sh/issues/331#issuecomment-255583889
fix https://github.com/Neilpang/acme.sh/issues/332
* Support IDN * fix deactivate idn name * 2.6.1 support IDN
https://www.rfc-editor.org/rfc/rfc2606.txt
* Add support PowerDNS API * Small fixes