[REQ] Component Request: Useful Sensors Person Sensor

[tyeth]

What's the full name of the component you'd like to see in Adafruit.io WipperSnapper?
Person Sensor by Useful Sensors

What type of component is this (i.e.: Pin, I2C)?
I2C plus an interrupt pin

Product URL or Datasheet
https://www.sparkfun.com/products/21231

Additional context
While useful still in it's current form, there's also a ticket for adding interrupt support for polling sensors here:
adafruit/Adafruit_Wippersnapper_Arduino#515