Autonegotiate SSL/TLS versions when not explicit
Raise an ArgumentError vs RuntimeError for backwards compatibility
Typo: request -> requested in message
Add 'Auto' to tcp.rb as well.
Merge pull request #6 from todb-r7/pr4024-auto-negotiate-ssl

Add 'Auto' to tcp.rb as well.
Land #4024, auto-negotiate SSL versions

Thanks @hmoore-r7!