0.0.3
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* Support SPI with cs None and no_cs
* Add support for inverted output (GPIO ONLY)
* Fix colour order to BGR
* Fix SOF, EOF and data lengths
* Drop noisy debug print from SPI mode
* Fix set_brightness so it doesn't break pixel SOF
* Add spi_max_speed_hz parameter

0.0.2
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* Bugfixes and improvements

0.0.1
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* Initial Release
