--API
function TasAbilityChargeBox.SetValue(unit, spellCode, value)
enforce a wanted Value for that spellCode for unit
function TasAbilityChargeBox.GetValue(unit, spellCode)
function TasAbilityChargeBox.Clear(unit)
function TasAbilityChargeBox.Init()
TasAbilityChargeBox.Init()
inside a trigger that runs at 0s.