Adafruit-circuitpython-adxl37x

Fixed the circup installation instructions in the README. Thanks FoamyGuy!

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

To use in CPython, `pip3 install adafruit-circuitpython-adxl37x`.

Read the [docs](https://circuitpython.readthedocs.io/projects/adxl37x/en/latest/) for info on how to use it.

Changes: https://github.com/adafruit/Adafruit_CircuitPython_ADXL37x/compare/1.1.7...1.1.8

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

To use in CPython, `pip3 install adafruit-circuitpython-adxl37x`.

Read the [docs](https://circuitpython.readthedocs.io/projects/adxl37x/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-adxl37x`.

Read the [docs](https://circuitpython.readthedocs.io/projects/adafruit-circuitpython-adxl37x/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-ADXL37x`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ADXL37x/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-adxl37x`.

Read the [docs](http://circuitpython.readthedocs.io/projects/adxl37x/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-adxl37x`.

Read the [docs](http://circuitpython.readthedocs.io/projects/adxl37x/en/latest/) for info on how to use it.