Adafruit-circuitpython-sgp40

**Full Changelog**: https://github.com/adafruit/Adafruit_CircuitPython_SGP40/compare/1.3.17...1.3.18

Changes: https://github.com/adafruit/Adafruit_CircuitPython_SGP40/compare/1.3.16...1.3.17

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-sgp40`.

Read the [docs](https://circuitpython.readthedocs.io/projects/sgp40/en/latest/) for info on how to use it.

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-sgp40`.

Read the [docs](https://circuitpython.readthedocs.io/projects/adafruit-circuitpython-sgp40/en/latest/) for info on how to use it.

lets people get https://github.com/adafruit/Adafruit_CircuitPython_SGP40/commit/1f9dd7fe74707cfce2694edacc913c294d59aeb0

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-SGP40`.

Read the [docs](http://circuitpython.readthedocs.io/projects/SGP40/en/latest/) for info on how to use it.

What's Changed
* Add mask for feature set check. by caternuson in https://github.com/adafruit/Adafruit_CircuitPython_SGP40/pull/20


**Full Changelog**: https://github.com/adafruit/Adafruit_CircuitPython_SGP40/compare/1.3.13...1.3.14

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-SGP40`.

Read the [docs](http://circuitpython.readthedocs.io/projects/SGP40/en/latest/) for info on how to use it.