Changes to Vanilla games

1. Changes to Existing Units
- Bombard now moved to late Medieval Era, available with Military Engineering (and slightly weaker)
- Redcoats are now Anti-Cavalry class. and slightly weaker
2. New Units addid
- Recon: Pathfinder, Skirmisher, Rifleman
- Melee: Longswordsman, Grenadier, Assault Infantry
- Anti-Cavalry: Heavy Spearman, Pike and Shot, Fudilier, Anti-Tank Gun
- Ranged: Marksman, Cannon, Heavy Weapons
- Light Cavalry: Light Horse, Lancer, Modern Cavalry, Armored Car
- Heavy Cavalry: Cataphract, Cuirassier, Heavy Cavalry, Landship
- Siege: Siege Cannon, Self Propelled Artillery
- Support: Supply Convoy (sans logistic support)
- Air Bomber: Biplane Bomber
3. Unit lists and upgrade paths are reformed as follows

Class:-----------Ancient--------------->Classical----------------->Medieval---------->Renaissance--------->Industrial-------------->Modern--------------->Atomic>-------------------->Information
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Recon:---------Scout------------------>Pathfinder------------>Skirmisher----------->Ranger--------------->Rifleman
Melee:---------Warrior---------------->Swordsman---------->Longswordsman----->Musketman---------->Grenadier------------->Infantry--------------->Assault Infantry------------>Mechanized Infantry
Anti-cavalry:---Spearman------------->Heavy Spearman---->Pikeman-------------->Pike and Shot-------->Fusilier---------------->Anti-Tank Gun------->AT Crew--------------------->Modern AT
Ranged:--------Singer--->Archer----->Marksman----------->Crossbowman-------->Cannon-------------->Field Cannon--------->Machine Gun--------->Heavy Weapons
Light Cavalry:----------------------------Horseman----------->Light Horse----------->Lancer--------------->Cavalry---------------->Modern Cavalry------>Helicopter
Light Cavalry:-------------------------------------------------------------------------------------------------------------------------------Armored Car--------->Helicopter
Heavy Cavalry:--Heavy Chariot-------->Cataphract------------>Knight---------------->Cuirassier----------->Heavy Cavalry--------->Landship------------->Tank------------------------->Modern Armor
Siege:-----------------------------------Catapult--------------->Bombard-------------->Siege Cannon-------------------------------->Artillery--------------->Self Propelled Artillery----->Rocket Artillery
Support:----------------------------------------------------------------------------------------------------------Medic------------------>Supply Convoy
Air Bomber:------------------------------------------------------------------------------------------------------------------------------->Biplane Bomber----->Bomber---------------------->Jet Bombers

4. Unique Unit Replacements
Sumeria: War Cart replaces Heavy Chariot
Greece: Hoplite replaces Heavy Spearman (and thus more powerful than default versions)
Norway: Berserker replaces Longswordsman
Japan: Samurai replaces Longswordsman
England: Redcoats replaces Fusilier
America: Rough Riders replaces Heavy Cavalry

5. Anti-Cavalry class units earned limited ranged attacks since Industrial Era (Fusilier) onwards.
6. No changes on Naval units in this version.