Change CyrHUD functions to use self

diff --git a/CyrHUD.lua b/CyrHUD.lua
index 3e1216c..f68c496 100644
--- a/CyrHUD.lua
+++ b/CyrHUD.lua
@@ -65,12 +65,13 @@ end
 -- Events
 ----------------------------------------------
 function CyrHUD.eventAttackChange(_, keepID, battlegroundContext, underAttack)
+    local self = CyrHUD
     if underAttack then
-        CyrHUD:add(keepID)
-    elseif CyrHUD.battles[keepID] ~= nil then
-        CyrHUD.battles[keepID]:update()
+        self:add(keepID)
+    elseif self.battles[keepID] ~= nil then
+        self.battles[keepID]:update()
     end
-    CyrHUD.battleContext = battlegroundContext
+    self.battleContext = battlegroundContext
 end

 function CyrHUD.saveWindowPosition( window )
@@ -114,22 +115,22 @@ end
 ----------------------------------------------
 CyrHUD.battles = {}
 function CyrHUD:add(keepID)
-    if CyrHUD.battles[keepID] == nil then
-        CyrHUD.battles[keepID] = CyrHUD.Battle(keepID)
+    if self.battles[keepID] == nil then
+        self.battles[keepID] = self.Battle(keepID)
     else
-        CyrHUD.battles[keepID]:restart()
+        self.battles[keepID]:restart()
     end
 end

 function CyrHUD:checkAdd(keepID)
-    if CyrHUD.battles[keepID] == nil then
-        local battle = CyrHUD.Battle(keepID)
+    if self.battles[keepID] == nil then
+        local battle = self.Battle(keepID)
         if battle:isBattle() then
             d("Battle at " .. keepID)
-            CyrHUD.battles[keepID] = battle
+            self.battles[keepID] = battle
         end
-    elseif CyrHUD.battles[keepID]:isBattle() then
-        CyrHUD.battles[keepID]:restart()
+    elseif self.battles[keepID]:isBattle() then
+        self.battles[keepID]:restart()
     end
 end

@@ -142,11 +143,11 @@ end

 function CyrHUD:scanKeeps()
     for i=3,20 do
-        CyrHUD:checkAdd(i)
+        self:checkAdd(i)
     end

     for i=132,134 do
-        CyrHUD:checkAdd(i)
+        self:checkAdd(i)
     end
 end

@@ -172,7 +173,6 @@ function CyrHUD:init()

     --Add events
     EVENT_MANAGER:RegisterForUpdate("CyrHUDKeepCheck", 5000, function()
-        d("CyrHUD 5s check")
         self:scanKeeps()
         self:updateAll()
     end)