Luma-oled

| | * Add terminal functionality | |
| | * Canvas image dithering | |
| | * Additional & improved examples | |
| | * Load config settings from file (for examples) | |
| | * Universal wheel distribution | |
| | * Improved/simplified error reporting | |
| | * Documentation updates | |
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| | * Fix for wrong value NORMALDISPLAY for SSD1331 device | |
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| | * Viewport/scrolling support | |
| | * Remove pygame as an install dependency in setup | |
| | * Ensure SH1106 device collapses color images to monochrome | |
| | * Fix for emulated devices: do not need cleanup | |
| | * Fix to allow gifanim emulator to process 1-bit images | |
| | * Establish a single threadpool for all virtual viewports | |
| | * Fix issue preventing multiple threads from running concurrently | |
| | * Documentation updates | |
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| | * Fix boundary condition error when supplying max-frames to gifanim | |
| | * Bit pattern calc rework when conveting color -> monochrome | |
| | * Approx 20% performance improvement in ``display`` method | |
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| | * Add color-mode flag to emulator | |
| | * Fix regression in SPI interface | |
| | * Rename emulator transform option 'scale' to 'identity' | |
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| | * SPI support (**NOTE:** contains breaking changes) | |
| | * Improve benchmarking examples | |
| | * Fix resource leakage & noops on emulated devices | |
| | * Additional tests | |
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