TODOs

• Fix the increment id mapping bug
• Add timestamp before each msg(maybe by wrapping the socket.write)
• Add account subsystem, such as same ip with same id
• Refactor code structure
• [?]Refactor user specifing by name rather than id, update whisper
• Finish :nick, check if the nick has been taken(config.serverName also can't be taken)
• Finsih /tap
• Add chat log subsystem
• Add custom config on content type sent/received[?], to work as interfaces for bot