0.27.2

What's new (since 0.27.1):

• frontend: Fixed missing redirect when adding qToggleServer-based slave devices.
• frontend: The iat JWT claim is no longer included with request if a client/server time skew larger than 5 minutes is detected.
• lib/polled: Fixed potential loop error during startup.
• peripherals: Added Peripheral.get_port method.
• startup: The server will now exit if an error occurs while initializing the ports of a peripheral.
• utils/asyncio: The fire_and_forget utility function was added for asyncio tasks that can't be awaited.