Log Message:
17.6.1
new: allow components to pass WebSocket/RawSocket options
fix: register/subscribe decorators support different URI syntax from what \ 
session.register and session.subscribe support
new: allow for standard Crossbar a.c..d style pattern URIs to be used with Pattern
new: dynamic authorizer example
new: configurable log level in ApplicationRunner.run for asyncio
fix: forward reason of hard dropping WebSocket connection in wasNotCleanReason