Epic Weapon Focus and Specialization: Shield (Heavy and possibly others)

[Mork]

Current Tests:
Epic Weapon Focus: Shield Heavy is available to be taken on epic levels with only Weapon Focus: Shield Heavy but no Greater Weapon Focus: Shield Heavy
Expected Results:
Epic Weapon Focus: Shield Heavy should require Greater Weapon Focus: Shield Heavy

Current Tests:
Epic Weapon Specialization: Shield Heavy is available to be taken on epic levels with only Weapon Specialization: Shield Heavy but no Greater Weapon Specialization: Shield Heavy
Expected Results:
Epic Weapon Specialization: Shield Heavy should require Greater Weapon Specialization: Shield Heavy

Possibly bug happens with other shield types aswell