City Block Generator new version 0.54!

Hello!

Now I have uploaded a new version of the City Block Generator tool.

Changes and updates from v0.53 to v0.54:
- Load/Save functionality added with filename in GUI
- Balconys and chimney fixes and updates
- Camera scroll fix
- Door placement fix
- New 3D models for roofs, balconys, chimney, attic
- Updated house frames
- New possibilities to randomize individual houses