* Update many dependencies * Upgrade some secio deps
* Add libp2p-mdns * Fix win32 * Make compatible with Rust 1.29 * Remove mDNS on esmcripten * Fix concerns * More concern * Use append_u16 * Make decode_character_string return a Cow * Add TODO * Don't send queries from 5353 * Fix flags * More flags fix * More concerns * Fix flags * Fix removed env_logger