MeshTiles 1.0.2

Air clears space. In the block picker of a material press "Air (clears space)": that material no longer builds anything, it empties its volume instead.

• Clearing works on whole blocks. Everything a closed surface encloses is cleared too, so a modelled box becomes a pit; a model with a hole in it only clears its surface.
• Blocks that hold something (chests, rails, machines) and LittleTiles structures (doors, chairs) are left standing.
• Everything removed is stored next to the world and put back when the import is undone.

Server and client need the same jar.