TODO

- simplify C code or rewrite from scratch


- write some examples in examples/

   examples/http-client.js  - fix connection reuse !

- documentation


- client: multiple requests per session

- handler names:

   http-server -> onRequest
   http-client -> onResponse

   (for http, single handler could be given as an argument instead )

   ws-server -> onListen, onConnect
   ws-client -> onOpen, onMessage, onError, onClose