Looper - Another web framework written in Nim

[bung]

I like the concept of chronos , I even tried port python similar project 
twisted to Nim , but fails, because its OOP project. well chronos provide such 
a abstract layer to me , so I can read and write of StreamTransport, its 
flexable to me that I can read and write to other kind of transport for 
internal usage(like write to console or file something ), also easy adapt to 
third party library if it use similar stream apis.