Armor, spells, kits, and Wizard Slayer are a good move.
I agree with dulouz. Those things are there with a reason.
-Clerics don't use bladed weapons because it is against their ethos (or do you find those ethos disputable?)
-Mages don't use weapons by their choice or they would be fighters. Or fighter/mages. Or something else.
-Human multiclass? Why? I don't agree with such bending of rules (not that anyone asked me
). Why haven't you enable dualclassing for demi-humans?
Why don't make only one class and only one race?