You can download it from the direct thread here:
http://www.ageod-forum.com/forumdisplay.php?f=107
readme:
Gameplay
Pre war fort now enable units to get replacements
Epidemics toned down. Medics are useful to recover faster.
Each element lose one cohesion point each time it fires/assaults during battle (or sustain an assault).
User interface
Some States production did not show in the ledger
Bugs fixing
fixed: You could use an army HQ to build a fort (using the integrated artillery)
fixed: some artilleries where build outside cities.
fixed: Semmes and the Alabama can now be manipulated in London.
fixed: Porfirio Diaz (Mexican General) won't bother anymore when the Union promotes generals...
In some setups two leaders were added to a single unit. A clean up function now push outside the offending officer.
Data / Events / maps fixing and tweaks
Thomas and Crittenden won't have clones, despite the war.
Ironclad protection upped 50%
Army HQ will arrives progressively during the war, each year.
Norfolk script had another bug, fixed.
Fort Monroe now have a port.
You can now navigate with ironclads south of Hatteras
Modding
AllAI = 1, added in the general.opt file (settings directory) make the game play against itself (you must have the Error tracking option checked in the Options window)
AI
AI slightly more aggressive
AI will send more ships in blockades boxes.
Graphics
Sherman has his hair changed (major tweak)
4 new events images added
Map Key added (bottom right of the map)