Patch v1.1.36

[p]Improved Caravan AI behavior[/p]
[p]Reduced initial difficulty on select maps[/p]
[p]Spells can now damage enemy structures[/p]
[p]Fixed Fortresses incorrectly classified as non-defensive buildings[/p]
[p]Corrected miscalculated upgrade bonuses[/p]
[p]Fixed Alchemy Workshop skills failing to activate[/p]
[p]Increased effect radius of Alchemy Workshops[/p]