v0.4.0-rc.0

Ignore the semver versioning on this one, as this is actually a Major release for this project 🌊

• Grove prototype board is gone, a custom PCB design with Bill of Materials have been introduced
• Instead of 1 channel, maximum of 4 independent relays are now possible to be used
• 2 status channels to read back state
• Improvements to application code and even enhancing XBee SDK in the process #15

SmartThings Integration

• Proper ZigBee signalling used for trigger (Unicast command accepted only)
• Works with SmartThings Hub

First Release

A working prototype used in live environment in 2016 in conjunction with homebridge-xbee