Feature/bug: It doesn't seem to attempt to explicitly negotiate older protocols. For instance, I'm dealing with a site that still has SSLv2 and export ciphers e

Feature/bug: It doesn't seem to attempt to explicitly negotiate older protocols. For instance, I'm dealing with a site that still has SSLv2 and export ciphers enabled if a client requests it. (Like, if I run openssl s_client -ssl2.) SSLlabs detects this, but tls.so doesn't.