v0.5.9 -- Introduce Condition
- v0.5.9: Add Condition mechanism && Add BatteryConditionPlugin && Fix importing / exporting due to storage change
- Add Condition mechanism, as a complementary of Event
- Condition represents for "state", and Event will be changed to represent real one-shot events
- Add BatteryConditionPlugin
- Fix importing / exporting, which was broken because of naming change (event -> script)
- Add Condition mechanism, as a complementary of Event