Unciv: 4.15.10

From Unciv: link to the original post

4.15.10

modding: Validate tech row value

UI: More visible railroads

Display unexplored tiles 1-tile out from explored tiles

Retain zoom when moving between different city screens

Stats in notifications no longer have number format 'baked in'

Map no longer makes map options left-right scrollable

Only show 'move spies' button if there are places to move spies

Add Shuffle Civ option - By itanasi