0.21b

v0.21b - 2/6/2022

- Column editor: fixed duplicate button

v0.21 - 2/6/2022

- Fixed 'Save & Play' button so that it can say 'Play' again (maps were being incorrectly marked as having been edited)

- Properties window: fixed fields not being editable in Thing tab

- Properties window: use spinboxes for setting some values in Thing tab

- Properties window: update values instantly while typing them

- Column editor: hide spinbox arrows for Utilized field

- When placing a slab directly on a Thing, don't select it

- Custom slabs: right clicking on the map while the custom slab menu is open will copy column index numbers into the window