make indentation consistent

diff --git a/Kaamelol.lua b/Kaamelol.lua
index 7d247c9..614841a 100644
--- a/Kaamelol.lua
+++ b/Kaamelol.lua
@@ -9,87 +9,87 @@ C_ChatInfo.RegisterAddonMessagePrefix(addon_name)
 frame:RegisterEvent("CHAT_MSG_ADDON")

 frame:SetScript("OnEvent", function(self, event_name, ...)
-    return self[event_name](self, event_name, ...)
+  return self[event_name](self, event_name, ...)
 end)

 function kaamelol_play(msg)
-	root = "Interface/AddOns/" .. addon_name .. "/sounds/"
-	path = root .. msg .. ".mp3"
-	PlaySoundFile(path, "Master")
-    return true
+  root = "Interface/AddOns/" .. addon_name .. "/sounds/"
+  path = root .. msg .. ".mp3"
+  PlaySoundFile(path, "Master")
+  return true
 end

 function kaamelol_broadcast(msg)
-	if not msg or msg == "" then
-		return false
-	end
+  if not msg or msg == "" then
+    return false
+  end

-    chan, rest = strsplit(" ", msg, 2)
-	if not rest then
-		rest = chan
-		chan = "GUILD"
-	else
-		chan = string.upper(chan)
-		if chan == "WHISPER" then
-			target, rest = strsplit(" ", rest, 2)
-		else
-			target = ""
-		end
-	end
-	number = tonumber(rest)
-	if number then
-		rest = KAAMELOL_CONTENT[number]["FILE"]
-	end
-	C_ChatInfo.SendAddonMessage(addon_name, rest, chan, target);
-    return true
+  chan, rest = strsplit(" ", msg, 2)
+  if not rest then
+    rest = chan
+    chan = "GUILD"
+  else
+    chan = string.upper(chan)
+    if chan == "WHISPER" then
+      target, rest = strsplit(" ", rest, 2)
+    else
+      target = ""
+    end
+  end
+  number = tonumber(rest)
+  if number then
+    rest = KAAMELOL_CONTENT[number]["FILE"]
+  end
+  C_ChatInfo.SendAddonMessage(addon_name, rest, chan, target);
+  return true
 end

 function kaamelol_search(msg)
-	print("\nresults:")
-	for i, entry in ipairs(KAAMELOL_CONTENT) do
-		local title = entry["TITLE"]
-		local file = entry["FILE"]
+  print("\nresults:")
+  for i, entry in ipairs(KAAMELOL_CONTENT) do
+    local title = entry["TITLE"]
+    local file = entry["FILE"]

-		if string.find(string.upper(title), string.upper(msg)) then
-			max_length = 256
-			if string.len(title) > max_length then
-				title = string.sub(title, 1, max_length) .. '...'
-			end
-			print(i, ":", title)
-		end
-	end
-    return true
+    if string.find(string.upper(title), string.upper(msg)) then
+      max_length = 256
+      if string.len(title) > max_length then
+        title = string.sub(title, 1, max_length) .. '...'
+      end
+      print(i, ":", title)
+    end
+  end
+  return true
 end

 function kaamelol_run_command(cmd, args)
-    if cmd == "play" or cmd == "p" then
-        return kaamelol_play(args)
-    elseif cmd == "broad" or cmd == "b" then
-		return kaamelol_broadcast(args)
-	elseif cmd == "search" or cmd == "s" then
-		return kaamelol_search(args)
-	else
-		return kaamelol_broadcast(cmd)
-	end
+  if cmd == "play" or cmd == "p" then
+    return kaamelol_play(args)
+  elseif cmd == "broad" or cmd == "b" then
+    return kaamelol_broadcast(args)
+  elseif cmd == "search" or cmd == "s" then
+    return kaamelol_search(args)
+  else
+    return kaamelol_broadcast(cmd)
+  end
 end

 SLASH_KAAMELOL1 = cmd_name
 SLASH_KAAMELOL2 = cmd_name2
 SlashCmdList["KAAMELOL"] = function(msg)
-    cmd, args = strsplit(" ", msg, 2)
-    if not kaamelol_run_command(cmd, args) then
-        print("Commandes de " .. addon_name .. " :")
-        print("/kl s pas faux: recherche une citation à partir de l'extrait 'pas faux', pour retrouver son numéro")
-		print("/kl 31: joue la citation numéro 31 à la guilde")
-		print("Pour des commandes plus poussées, demandez à Eckter")
-    end
+  cmd, args = strsplit(" ", msg, 2)
+  if not kaamelol_run_command(cmd, args) then
+    print("Commandes de " .. addon_name .. " :")
+    print("/kl s pas faux: recherche une citation à partir de l'extrait 'pas faux', pour retrouver son numéro")
+    print("/kl 31: joue la citation numéro 31 à la guilde")
+    print("Pour des commandes plus poussées, demandez à Eckter")
+  end
 end


 function frame:CHAT_MSG_ADDON(event, prefix, msg)
-	if prefix == addon_name then
-		kaamelol_play(msg)
-	end
+  if prefix == addon_name then
+    kaamelol_play(msg)
+  end
 end