v2.3-hdmi

HDMI-CEC version. Use it when you have connected and configured your Home Assistant to the TV by HDMI.

Changelog

• Replace getSmpPorts() by discoverSSDP() to include more TV models (#10)
• Improve logger (#10)
• Fix a bug that sends upnp soap request when the TV is off (#10)
• Add CONTENT_LENGTH to SOAP UPNP Request (#10)