Script fixes and new effects.

Cleaned up unneeded requires in some scripts
Fixed Second Wind
Added new effect scripts
Added bard song scripts that mostly work

data/scripts/effects/excruciate.lua

@@ -0,0 +1,30 @@
+require("modifiers")
+require("battleutils")
+
+--Gradually increases critical rate of spells
+function onTick(owner, effect)
+    --No clue how fast the crit rate increases or how often it ticks
+    --Only clue I have to go on is that the strategy seemed to be to use it 
+    --before or after fire/thunder and you'd usually get a crit at firaga/thundaga
+    --Random guess, going to assume it's 25 crit rating every 3s, 50 crit rating traited
+    --That's 4% and 8% every 3 seconds of actual crit
+    local ratePerTick = 25;
+
+    if effect.GetTier() == 2 then
+        ratePerTick = 50;
+    end
+    
+    effect.SetMagnitude(effect.GetMagnitude() + ratePerTick);
+end
+
+--Excruciate seems to have an effect on all hits of aoe spells, so it's changing the crit bonus of the skill itself
+--rather than on a hit by hit basis
+function onCommandStart(effect, owner, skill, actionContainer)
+    skill.bonusCritRate = skill.bonusCritRate + effect.GetMagnitude();
+end
+
+function onCrit(effect, attacker, defender, action, actionContainer)
+    if action.commandType == CommandType.Spell then
+        actionContainer.AddAction(attacker.statusEffects.RemoveStatusEffectForBattleAction(effect));
+    end
+end