v3.0.1

Functional changes

• Automatic call cancellation by the router, if call timeout specified in the call options. When timeout specified, router automatically cancels call even if the callee does not support it or is unable to cancel the call.
• Immediately cancel pending invocations for callee that disconnects
• Larger default outbound queue size
• Allow custom connections to be specified in websocket transport
• Allow client to configure websocket keepalive

Code organization and documentation

• Refactor role and feature constants to common package
• Documentation updates