Options fixes

• Add ssl_options. Fix manual address family tcp options. (#22)
• Fix handling of connect_timeout (#23, fixes #21)

Reinstate server name indication

See #13, which reverts #12. This removes a temporary guard rail that provided compatibility with OTP 20.1. See the OTP 20.1 Warning in the README for more information.

Add support for connect_options defaults

Includes changes from #19.

getting 21.1 ready

1.5.6

ready for 21.1

export one more fun

1.5.5

kill client exposed

SSL updates for R20.0

Merge pull request #12 from mrallen1/otp_20

Explicitly disable server name indication

Pool creation race condition fixed.

1.5.3

Merge pull request #8 from posilva/feature/avoid_race_condition_on_ad…

Correct @ handling

Merge pull request #7 from campanja-forks/rfc-compliant-at-sign-handling

Rfc compliant at sign handling

Be canonical again about the headers.

Merge pull request #6 from erlcloud/do_canon_headers

Do canonical headers attempt #2

correct support for chunked + AL fork changes

Merge pull request #5 from erlcloud/merge_me

Merge me - combination of two previous PR