Undead Hotfix available here:
http://www.mediafire.com/download.php?d7ic84nsjnz2eww
This executable fixes certain bugs (that made undead broken) and allows 9 slots of retinue, as charisma now increases your startup points by one every four levels.
Also Note: This fix does not contain all the files, it requires the previous mod to run properly.
EDIT: Also note that certain summoned units such as Goblin Horde, Inquisitor's Summon Swords, etc can be summoned above the army limit, as they have a timed life.