I believe some classes need more skills. So, I've done the following changes:
Barbarian: add Tumble
Paladin: 4+Int skills, add Gather Information, Knowledge (the planes) to class skills
Ranger: add Tumble to class skills
Sorcerer: add Diplomacy, Gather Information to class skills
Dragon Shaman: 4+Int skills
Knight: add Diplomacy to class skills
Hexblade: 4+Int skills, add Gather Information to class skills
Ninja: 8+Int skills
Lurk: 6+Int skills
Binder: 4+Int skills
Truespeaker: add Diplomacy, Gather Information to class skills
That's all for now...