Version 1.9.1
fixed base game campaigns

Version 1.9
added peace time check before ai starts building mines with soldiers;
increased min distance for ai's tower placement;
doubled search radius of free unit when creating or filling formations;
increased protection radius to 1.25;
increased explosion radius for cannons and howitzers;
increased towers' cost by x10;
increased towers' vision;
rebalanced towers' dispersion, reload time and so on;
improved how ai builds mills and makes reaper upg;
added conditions for ai before it builds towers;
accuracy upg will affect towers;
ai will consolidate forces before an attack;

Version 1.8.3
added academy requirement to 18th century barracks;
removed skirmishers from guards pool;
increased artillery damage;

Version 1.8.2
improved melee animations for some musketeers;
stopped serdiuks from fleeing melee combat;
made progressing to 18th century a priority for ai;
increased amount of resources needed for ai to start recruiting mercenaries;
turned off archer mercenaries for ai;

Version 1.8
changed players' colours;
added pause to melee attack;
enabled 'fill formation', 'assume line', 'assume square', 'assume column' hot keys when commanding multiple squads;
changed army move order from default move to attack move when ai creates squad;
changed roundshierdip formation type to mercenary when no officer is present;
increased line's bonus shield from hold mode to +7 and to +3 for mercenaries without officers;
decreased shot cost multiplier to x2;
increased wood cost for artillery;

Version 1.7
increased shot cost by 3 times;
increased food consumption by 2 times;
nerfed stone farming;
nerfed trading in general;
increased price recovery time by x2;
increased 18century cost by 2 times;
increased time required to make 18th century upgrade;
made mines' upgrades cheaper;
max number of workers in mines are now 40;
changed descriptions accordingly;
increased arillery depo cost;
increased cost for heal and repair researches;
removed houses from buildings to defend;
fixed counter not removing destroyed buildings from defend pool;
decreased stone wall hp to 30000;
decreased cost of attack upgrades for serdiuks;
added salaries to all units;
rebalanced existing salaries;
added blacksmith requirement to pikeman18 and pikeman18swe;
doubled time required to train pikeman18 and pikeman18swe;
changed skirmishers training time to x2;
added formations to hussarhun;
handled roundshierdip squads for ukraine;
rebalanced archers;
improved ukraine's ai;
for alg and tur switched priority from archers to pikemen;
added checks for ai before building artillery depos;
changed default starting res food from 1000 to 1500;

Version 1.6.8
corrected how ai variates between troops;
set different recourse balance for mines;
forced ai to prioritize economy upgrades;
ai will make cost upgrades for artillery;
forced ai to build academy before 2nd barrack;
forced ai to skip unnecessary upgrades before 18th century;
added more logic to ai's trading, to speed up its development;

Version 1.6.7
minor correction on how ai upgrades units;
changed ai's army movement towards enemy base from basic move to attack move

Version 1.6.6
added mod version to main menu

Version 1.6.6
fixed ai not recruiting cavalry;
fixed unit counter;
officers will be counted only if they aren't in squad;
code refactoring;