Version 0.0.4

• Implement OnionAnnounce struct (#77)
• Use InnerOnionResponse as onion response payload (#85)
• Handle onion request/response packets in DHT Node (#88)
• Handle OnionAnnounceRequest/OnionDataRequest packets (#106)
• Add sender's address to TCP's onion sink (#113)
• Update TCP onion packets (#115)
• Migrate to parking_lot::RwLock instead of std (#82)
• Refactor DHT Node, remove client struct (#96)
• Fix "Decrypting DhtRequest failed" (#102)
• Add TCP Relay client connection (#10)
• Improve TCP Relay tests (#103)
• Add hash of pings to DHT server (#98)
• Fix ".ping_id does not match" (#86, #87)
• Migrate to tokio-timer v0.2 (#108)
• Remove timedout clients from DHT Node (#73)
• Remove useless union value from decryption errors (#110)
• Implement Lan Discovery handler (#71, #78)
• Split Onion, TCP, DHT Packet into multiple files (#72, #83, #109)
• Move to our IoFuture since it is going to be deprecated in tokio (#112)