Released a quick update 1.3.1 with the above fixes and one more bug i fixed which made the game crash when some creatures were reaching level 10.
exp_system_cfg.txt
-Revert setting "upgr_per_lvl=6" to "upgr_per_lvl=3"
Edit: I re-uploaded the 1.3.1 version with another fix for human spirit here
http://forum.1cpublishing.eu/showpos...&postcount=170