Add DependencyHandler that is an interface which allows for more
optimised dependency coding.

Signed-off-by: Staartvin <mijnleraar@msn.com>
Update FactionPower dependency.

Signed-off-by: Staartvin <mijnleraar@msn.com>
Add McMMO hook.

Signed-off-by: Staartvin <mijnleraar@msn.com>