add support for Buff Expiry Rate (#455)

Author: igorwessel

src/Data/ModCache.lua

@@ -2237,7 +2237,7 @@ c["Break Armour on Critical Hit with Spells equal to 10% of Physical Damage deal
 c["Break Armour on Critical Hit with Spells equal to 5% of Physical Damage dealt"]={nil,"Break Armour on Critical Hit with Spells equal to 5% of Physical Damage dealt "}
 c["Break enemy Concentration on Hit equal to 100% of Damage Dealt"]={nil,"Break enemy Concentration on Hit equal to 100% of Damage Dealt "}
 c["Break enemy Concentration on Hit equal to 100% of Damage Dealt Enemies regain 10% of Concentration every second if they haven't lost Concentration in the past 5 seconds"]={nil,"Break enemy Concentration on Hit equal to 100% of Damage Dealt Enemies regain 10% of Concentration every second if they haven't lost Concentration in the past 5 seconds "}
-c["Buffs on you expire 10% slower"]={nil,"Buffs on you expire 10% slower "}
+c["Buffs on you expire 10% slower"]={{[1]={[1]={skillType=5,type="SkillType"},flags=0,keywordFlags=0,name="Duration",type="INC",value=10}},nil}
 c["Burning Enemies you kill have a 5% chance to Explode, dealing a tenth of their maximum Life as Fire Damage"]={{[1]={[1]={actor="enemy",type="ActorCondition",var="Burning"},flags=0,keywordFlags=0,name="ExplodeMod",type="LIST",value={amount=5,chance=1,keyOfScaledMod="chance",type="Tenth"}},[2]={flags=0,keywordFlags=0,name="CanExplode",type="FLAG",value=true}},nil}
 c["Can Block Damage from all Hits while Shield is not Raised"]={nil,"Can Block Damage from all Hits while Shield is not Raised "}
 c["Can Block damage from all Hits"]={nil,"Can Block damage from all Hits "}

src/Modules/ModParser.lua

@@ -3803,6 +3803,7 @@ local specialModList = {
 	["enemies near targets you shatter have (%d+)%% chance to be covered in frost for (%d+) seconds"] = { mod("CoveredInFrostEffect", "BASE", 20, { type = "Condition", var = "ShatteredEnemyRecently" }) },
 	["([%a%s]+) has (%d+)%% increased effect"] = function(_, skill, num) return { mod("BuffEffect", "INC", num, { type = "SkillId", skillId = gemIdLookup[skill]}) } end,
 	["debuffs on you expire (%d+)%% faster"] = function(num) return { mod("SelfDebuffExpirationRate", "BASE", num) } end,
+	["buffs on you expire (%d+)%% slower"] = function(num) return { mod("Duration", "INC", num, { type = "SkillType", skillType = SkillType.Buff }) } end,
 	["warcries debilitate enemies for (%d+) seconds?"] = { mod("DebilitateChance", "BASE", 100) },
 	["debilitate enemies for (%d+) seconds? when you suppress their spell damage"] = { mod("DebilitateChance", "BASE", 100) },
 	["debilitate nearby enemies for (%d+) seconds? when f?l?a?s?k? ?effect ends"] = { mod("DebilitateChance", "BASE", 100) },