Version History:
v4:
- Internal restructure
- Cleanup code, removing not used classes
- Fix server folder creation issue

v3:
- Internal restructure
- Removed HELP cube. It has it's own MOD. Check NVLBlocks MOD files for the Universal HELP Cube.

v1.2:
- Add Subspace Item-Transporter Sender and Receiver blocks and Extender items

v1.1:
- Internal update: Unified codebase across all MC versions, renaming blocks
- GUI redesign: separating slots, new backgrounds

v1.0:
- Initial release: Transcoded from 1.7.10