• New directive (srly: what do you expect at this point?) "MDMustStaple on|off" to control if
  new certificates are requested with the OCSP Must Staple extension.
• Known limitation: when the server is configured to ditch and restart child processes, for example
  after a certain number of connections/requests, the mod_md watchdog instance might migrate
  to a new child process. Since not all its state is persisted, some messsages might appear a
  second time in the logs.
• --with-openssl configure option provided by caminada to
  specify an uncommon location of the lib.
• --with-jansson configure option provided by caminada to
  specify an uncommon location of the lib.
• Adding checks when 'MDRequireHttps' is used. It is considered an error when 'MDPortMap 443:-'
  is used - which negates that a https: port exists. Also, a warning is logged if no
  VirtualHost can be found for a Managed Domain that has port 443 (or the mapped one) in
  its address list.