Fixed error with spy names causing Renaissance Era crashes

Updated once again with fixed lua by Chrisy15. Ty lad. The civ should actually work now I promise

Replaced an included outdated version of PlotIterators with a proper version. Previously, this would have caused slowdown (from a leftover Print statement) and potentially crashes.

Fixed mod support.
Fixed the UA and UB lua.
Adjusted missing or misassigned text keys.
Gave into the incessant demands of SenshiDenshi.