extend abWebsocket_peer for  binary messages
extend abWebsocket_peer for  binary messages

peer can receive and send binary messages as tested
by autobahn test 1.2.*

gatzka/cjet,gatzka/cjet,mloy/cjet,mloy/cjet,mloy/cjet,gatzka/cjet,mloy/cjet,gatzka/cjet,mloy/cjet,gatzka/cjet