Adafruit-blinka-displayio

This release includes the following changes:

* Finished Adding Backlight Control

To use in CPython, `pip3 install adafruit-blinka-displayio`.

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

This release includes the following bug fixes:

* Fixes a bug with negative positioning of tilemaps

To use in CPython, `pip3 install adafruit-blinka-displayio`.

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

This release includes the following bug fixes:

* Fixes an issue that was occurring when a zero width or height bitmap was passed in

To use in CPython, `pip3 install adafruit-blinka-displayio`.

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

This release includes the following bug fixes:

* Fixes an error when releasing displays
* Fixes an error that was occurring when no reset is passed in

To use in CPython, `pip3 install adafruit-blinka-displayio`.

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

This release includes the following bug fixes:

* Fixes a divide by zero error when a tilegrid has no width or height
* Fixes a refresh bug that cause displayio to become very slow

To use in CPython, `pip3 install adafruit-blinka-displayio`.

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

This release includes the following changes:

* Image Processing Optimizations

To use in CPython, `pip3 install adafruit-blinka-displayio`.

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