bump: version 0.2.1 → 1.0.0

Version 0.2.1

This release is mostly updates of dependencies and will be the last
release to feature support for SPI devices.

Version 0.2.0

* Add GPLv3 license
* hexws2811: Fix performance issues
* generic: Add support for 1-byte RGB and 1-bit grayscale formats
* Remove deprecated --linger, use --exit never instead
* Make the missing --geometry message easier to understand
* Document transpositions with just text diagrams
* artnet: Add a flag to set the DMX universe
* Add a new exit condition to exit when at least one input closes
* fluxled: Allow connections to fail
* simulator: Fix the bottom row not being shown for odd heights
* Prefer no driver instead of aborting when the driver could not be detected
* generic: Add pixel formatting options
* Document 'show' device type

Version 0.1.5

- Slightly speed up I/O
- driver/generic: Drastically speed up outputting over stdout
- Add basic support for LED Matrices through Hzeller's library (manual builds only)
- Fix some minor things found by clippy
- Add support for some kind of FluxLED device

Version 0.1.4

- Add support for Mac OSX
- Add support for the SK9822
- Minor fixes

Version 0.1.3

- Improve the high CPU usage fix when using FIFO's
- Add the show subcommand to make debugging programs easier

Version 0.1.2

- Fix high CPU usage when using --linger with FIFO's

Version 0.1.1

- Add support for the WS2812 over SPI
- Add support for the HUB75 interface over GPIO
- Introduce the mirror_{x,y} transposition
- Introduce --clear-timeout (see --help)
- Allow the display geometry to be specified by the LEDCAT_GEOMETRY env var
- Deprecate --num-pixels in favor of --geometry
- Rework the input system to be fully synchronous
- And more internal refactoring

Version 0.1