Unciv: 4.1.15

From Unciv: link to the original post

4.1.15

By OptimizedForDensity:

• Add support for era-specific unit sprites
• Don't wake civilians to danger if they're in a city
• Fix translation issues from nested brackets and braces

By alexban011:

• Fixed brackets in notification logs
• Exception handling when loading mod options

Moddable prettier Tutorials - By SomeTroglodyte

By Azzurite:

• Save compatibility handling
• Fix OutOfMemoryError when loading a game and another is already loaded

Fix crash when exploring - By Skekdog