v1.4.0

Changed:

• Socket.IO implementation does not use server path option anymore, in alignment with kind ws
• Use io("/ws/chat") instead of io("/chat", { path: "/ws" })

Fixed:

• Support for http conform headers (x-ws and x-websocket)
• Revise error handling for websocket events
• Fix for operations without parameters
• Fix support for absolute service paths
• Update documentation