* [ ] Target Action should be provide the same execution time that its related source action. * [ ] make sure target action is canceled when its according source action was canceled. * [ ] make sure human auto priority reduction is performed correctly. * [ ] Fix bug where the the source is turned off in case the target units` brightness is set to on low level. * [ ] is it possible to prevent the color of the target unit? * https://github.com/openbase/bco.device/issues/11 * [ ] make sure the target unit action is updated when the source action has changed.