- Changed Block Variant group to have vanilla blocks first in the list.

- Add missing 'Large Industrial Cargo Container' From block Variant Group

- Fix Notice when mod loads - Add IsAirTight flag

• Small Grid Large Vanilla Style Cargo with Doors
  
• Small Grid Large Vanilla Style Cargo with Doors Heavy

- Fix mount points on SG 1x5x1 Doors and SG 1x5x1 Doors Heavy

- Added Heavy Blocks versions.

Fix Required DLC

Initial Release