Merge pull request #314 from openziti/misc.fixes

avoid calling null tr_close

Merge pull request #313 from openziti/call.conn.cb.with.uv_error

convert errno to uv error when calling connect cb

Merge pull request #312 from openziti/resolve-mem-leak

on_resolve: free addrlist

Merge pull request #311 from openziti/http-debug

http: fix memory issues on shutdown or connect timeout

Merge pull request #310 from openziti/openssl-no-ktls

openssl: disable KTLS(kernel TLS offload) with custom IO

Merge pull request #309 from openziti/connect-on-loop

Connect on loop

Merge pull request #308 from openziti/improve-logging

improve logging with connection detail

Merge pull request #304 from openziti/null.check.conn_timer

check conn_timer for null before calling uv_timer_stop

Merge pull request #303 from openziti/http-client-connector

HTTP client: add support for custom connectors

Merge pull request #298 from openziti/misc-fixes

use proper `size_t` formatting