Changes with nginx 1.13.5 05 Sep 2017
*) Feature: the $ssl_client_escaped_cert variable.
*) Bugfix: the "ssl_session_ticket_key" directive and the "include"
parameter of the "geo" directive did not work on Windows.
*) Bugfix: incorrect response length was returned on 32-bit platforms
when requesting more than 4 gigabytes with multiple ranges.
*) Bugfix: the "expires modified" directive and processing of the
"If-Range" request header line did not use the response last
modification time if proxying without caching was used.