Hotfix for exceptions in joyous presence thought when there is only one level.

V1.2.0.3

- Add columns in Floors tab.
- Add flow rate gizmo for pipe connectors.
- Fix joyous thought not applied to pawns on other levels.

V1.2.0.2

- Fix designate things for hauling to impassable storage furniture like wall fridge on current level.
- Fix cross level hauling work giver provides a valid target but a null job.
- Fix pawns won't go to medical beds for treatment without doctors on his level.
- Hide lock floor gizmo when there is only one level or the pawn is drafted.

V1.2.0.1

- Add blurring effects to lower levels.
- Add pipe connector for Rimefeller.
- Add pipe connector for VEF pipe system.
- Add stairs right-click options for colony mechs.
- Move all buildings from Structure to MultiFloors category.
- Prevent designate reserved things for hauling.
- Fix missing reconnect to power net gizmo for elevators.
- Adjust several gizmo icons.

V1.2.0.0

- Add elevators.
- Improve cross level hauling.
- Add a work giver to rescue downed pawns to other levels.
- Fix pawns can't use inventory to haul things manually designated by the haul to... designator.
- Add no bed available message in bed targetter.
- Fix pawn stands still when ordered to capture a pawn to other level.
- Move camera back to the carrier after targeting a bed.
- Adjust UI icons of stairs.

V1.1.6.3

Improve cross level hauling.

V1.1.6.2

Improve cross level hauling.

V1.1.6.1

- Cross level hauling may haul things from low-priority stockpiles to higher-priority ones.
- Fix animals on other levels can't be roped.
- Ignore forbidden haulables.
- Fix potential NRE when adding designations.
- Fix pawns wouldn’t haul to blueprints when enough resources were available in a disconnected area on that level.

V1.1.6.0

- Add experimental cross level hauling.
- Fix path finder not in correct state.
- Prevent exposing hauling related fields for other designations.

V1.1.5.0

- Rewrite path finder.
- Send more power to levels with batteries.
- Make transparent floor impassable.