- Update to 2.3.0
* Allow flash configuration
* correctly calculate text width of full-width characters
* Fix required minimum Python version
* add documentation for auto-refresh configuration
* place IS_VIT_INSTANCE into environ earlier
* example hook for intelligent VIT refresh
* sample script to externally refresh VIT instances
* add Bash function example for vit wrapper
* add pid_dir option to [vit] section
See sample config.ini for details on usage
* add basic signal support
+ SIGUSR1: refresh (equivalent to hitting refresh key in VIT)
+ SIGTERM/SIGINT/SIGQUIT: quit VIT cleanly
* more user-friendly error message for unsupported color
definitions