Luma.oled

| | column address properly, resulting in garbled output | |
| | * Minor API documentation improvements | |
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| | order properly. Users of this device should verify proper color | |
| | rendering and add ``bgr=True`` if blue/red color components | |
| | appear to be reversed | |
| | * Device consolidation - greyscale and colour SSD13xx devices now | |
| | share common base classes. | |
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| | * Dependency and documentation updates | |
| | * Minor packaging changes | |
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