Extend BuffCount() condition to allow requiring a minimum stack.

diff --git a/OvaleAura.lua b/OvaleAura.lua
index 74075d8..e61ce15 100644
--- a/OvaleAura.lua
+++ b/OvaleAura.lua
@@ -1165,8 +1165,9 @@ do
 		the first aura to expire that will change the total count, and the time interval
 		over which the count is more than 0.
 	--]]
-	statePrototype.AuraCount = function(state, auraId, filter, mine)
+	statePrototype.AuraCount = function(state, auraId, filter, mine, minStacks)
 		-- Initialize.
+		minStacks = minStacks or 0
 		count = 0
 		startChangeCount, endingChangeCount = math.huge, math.huge
 		startFirst, endingLast = math.huge, 0
@@ -1178,13 +1179,13 @@ do
 			if auraTable[auraId] then
 				if mine then
 					local aura = GetStateAura(state, guid, auraId, self_guid)
-					if state:IsActiveAura(aura, now) and aura.filter == filter and not aura.state then
+					if state:IsActiveAura(aura, now) and aura.filter == filter and aura.stacks >= minStacks and not aura.state then
 						CountMatchingActiveAura(aura)
 					end
 				else
 					for casterGUID in pairs(auraTable[auraId]) do
 						local aura = GetStateAura(state, guid, auraId, casterGUID)
-						if state:IsActiveAura(aura, now) and aura.filter == filter and not aura.state then
+						if state:IsActiveAura(aura, now) and aura.filter == filter and aura.stacks >= minStacks and not aura.state then
 							CountMatchingActiveAura(aura)
 						end
 					end
@@ -1197,13 +1198,13 @@ do
 				if mine then
 					local aura = auraTable[auraId][self_guid]
 					if aura then
-						if state:IsActiveAura(aura, now) and aura.filter == filter then
+						if state:IsActiveAura(aura, now) and aura.filter == filter and aura.stacks >= minStacks then
 							CountMatchingActiveAura(aura)
 						end
 					end
 				else
 					for casterGUID, aura in pairs(auraTable[auraId]) do
-						if state:IsActiveAura(aura, now) and aura.filter == filter then
+						if state:IsActiveAura(aura, now) and aura.filter == filter and aura.stacks >= minStacks then
 							CountMatchingActiveAura(aura)
 						end
 					end
diff --git a/conditions/BuffCountOnAny.lua b/conditions/BuffCountOnAny.lua
index 16d464a..f7aaab1 100644
--- a/conditions/BuffCountOnAny.lua
+++ b/conditions/BuffCountOnAny.lua
@@ -24,6 +24,9 @@ do
 	-- @param id The spell ID of the aura or the name of a spell list.
 	-- @param operator Optional. Comparison operator: less, atMost, equal, atLeast, more.
 	-- @param number Optional. The number to compare against.
+	-- @param stacks Optional. The minimum number of stacks of the aura required.
+	--     Defaults to stacks=1.
+	--     Valid values: any number greater than zero.
 	-- @param any Optional. Sets by whom the aura was applied. If the aura can be applied by anyone, then set any=1.
 	--     Defaults to any=0.
 	--     Valid values: 0, 1.
@@ -35,7 +38,7 @@ do
 		local auraId, comparator, limit = condition[1], condition[2], condition[3]
 		local _, filter, mine = ParseCondition(condition)

-		local count, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine)
+		local count, startChangeCount, endingChangeCount, startFirst, endingLast = state:AuraCount(auraId, filter, mine, condition.stacks)
 		Ovale:Logf("BuffCount(%d) is %s, %s, %s, %s, %s", auraId, count, startChangeCount, endingChangeCount, startFirst, endingLast)
 		if count > 0 and startChangeCount < math.huge then
 			local origin = startChangeCount