Adafruit-circuitpython-led-animation

This release improves the documentation of the `background_color` parameter in `comet.py`. Thank you! tlyu

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

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

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

Fixed bug caused by improper number of arguments passed by `RainbowComet` to it's parent class `Comet`. Thanks tlyu!

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

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

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

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

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

Improved the speed of the comet and chase (marquee) animations by eliminating expensive operations. Thanks jepler!

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

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

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

This release adds a `previous()` function to the Sequence class that acts as the opposite of `next()`. Thank you arturo182!

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

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

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