Adding longpoll support. Example in examples/twisted/wamp/basic/server.py, use with AutobahnJS:/test/timeservice/frontend.html.

The autobahn.js must be built and available under AutobahnJS/build/autobahn.js

start the server:

python server.py --static-dir ./../AutobahnJS/

frontend available: http://localhost:8080/static/test/timeservice/frontend.html