Updated examples to allow more flexibility with a variety of displays.
To use in CircuitPython (version 5 or higher), simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).
Read the [docs](http://circuitpython.readthedocs.io/projects/displayio_ssd1306/en/latest/) for info on how to use it.