fix bug https://github.com/Neilpang/acme.sh/issues/663
fix https://github.com/Neilpang/acme.sh/issues/664
fix https://github.com/Neilpang/acme.sh/issues/508
fix https://github.com/Neilpang/acme.sh/issues/627
fix https://github.com/Neilpang/acme.sh/issues/488
remove extra space
fix https://github.com/Neilpang/acme.sh/issues/595
remove extra space from help
support openssl 1.1.0