Updates as of 4/22/2012:

[forrestmarkx]

Firebug:
Weapons:

• Firebombs decreased damage
  
• Carry less Firebombs
  

Scientist:
Weapons:

• Nova-6 damage adjusted
  
• Spark Rifle damage increased
  

Icon:

• Perk icon has bein updated
  

Machine Gunner:
Damage:

• MR40, M56, Thompson, and PKM damage adjusted
  

Weapons:

• Added the Tommy Gun
  

Recoil:

• Less recoil
  

Assassin:
Perk Icon:

• Perk Icon has bein updated
  

Beserker:
Damage resistence:

• Damage resistence has bein greatly increased
  

Perk Leveling:

• Perk is easier to level
  

Priest:
Damage:

• Do more damage using the medic guns
  

Armor and Damage resistence:

• Better armor and more damage resistence
  

Support Specialist:
Reload Speed:

• Faster reload speed with the AA12 and AFS12
  

Fire Speed:

• Faster fire speed for all shotguns
  

Heavy:
Damage:

• Damage has bein readjusted and more balanced
  

Necro Isaac:
Controller:

• Has been updated to sport a harder challange