[Unreleased]

## v1.2.1
### Fixed
- Fix #1: add cache of latest command to not run wallpaper update when it's already up to date

## v1.2.0
### Added
- Add `callback` option

## v1.1.1
### Fixed
- Update wallpapers on start

## v1.1.0
### Changed
- Refactoring

## v1.0.0
### Added
- First release!