We want:
- pref for current in-progress letters
- pref for current attunement modifier, and apply in recalculateAdjustments
- prefs for whether you have the skills unlocked, set by viewing the skills in-combat or on the skillz.php page
- codpiece support: skills, equip codpiece when casting
- function for middle letters / highlight middle letters in relay
- dailylimits (1 for luck, 5 for otherwise)
