Fix key not present in counting.

Fix wrong order of the Cancel designator when the thing has a designation.

New feature: You can copy floors now.
Fix: NRE in Designator_MechControlGroup of Biotech.

Potential fix for bad comparer.

V1.1.0 update:

- Self-learning: Now designators' queue will be dynamically sorted as player's usage.
- Add build copy command to designators' queue.
- Small performance boost by removing unavailable designators from the queue.

Tiny performance improvement.

Update for RimWorld Version 1.4.

Optimize the order of designators for designated things.

Fix conflict with rotate hotkey.

Add forbid and unforbid designator.
Remove select similar command from pipette tool when using with Allow Tool.