Stream rearchitecture (#126)

* Add generic protocol handler

* Add generic protocol handler to stream muxing pipeline

* Modify conn_handler to only deal with connections

* mplex accept stream architecture changes

* Add create generic protocol handler

* Fix minor bugs

* who would win 4 devs or one not

* Debugging

* rearch with handle_incoming infinite loop, seems to work, needs cleanup"

* passing linting, still needs cleanup

* fixing linting again; code still needs cleanup

* fixing tests; code still needs cleanup

* adding test cleanup and task cleanup, removing prints

* linting, and cleanup complete

* storing connections based on peer id

* remove dead code

* remove unnecessary peer_id

libp2p/protocol_muxer/multiselect.py

@@ -31,7 +31,6 @@ class Multiselect(IMultiselectMuxer):
         :return: selected protocol name, handler function
         :raise Exception: negotiation failed exception
         """
-
         # Create a communicator to handle all communication across the stream
         communicator = MultiselectCommunicator(stream)