Show error and exit if awk too old for ACMEv2

Improve tests

Implement testing using BATS

Use urlbase64_decode instead of base64 -d

ACMEv2 during testing

Ignore directories when using `getssl -a` if they don't contain a config file

Add Webdav over HTTPS (davs) file transfer method using curl

Create dns_freedns.sh

Add support for CloudDNS

markdownlint changes to all .md files

Fix more than 10 domains

Fix for ACMEv1 renewals

Merge v1 fix into nikdow fork

Update templates to ACMEv2 endpoints

Only select first URL returned from acme-v02

Fixes for post-as-get changes

Should probably be fixed up, I've only hacked up @dkerr64's version for acme.sh to work on my local instance. It assumes you're using curl, I didn't bother stealing acme.sh's whole library of functions.

DNS_ADD_COMMAND="~/.getssl/dns_freedns.sh add"
DNS_DEL_COMMAND="~/.getssl/dns_freedns.sh rm"