Re-designated SetTextColor() as a method of the private table.

diff --git a/Frame.lua b/Frame.lua
index eb5512f..f28a509 100644
--- a/Frame.lua
+++ b/Frame.lua
@@ -149,7 +149,10 @@ local FilterValueMap		-- Assigned in InitializeFrame()
 -------------------------------------------------------------------------------
 -- Upvalues
 -------------------------------------------------------------------------------
+local SetTextColor = private.SetTextColor
+
 local ListFrame
+local MainPanel

 -------------------------------------------------------------------------------
 -- Table cache mechanism
@@ -184,12 +187,6 @@ function addon:ClosePopups()
 end

 -------------------------------------------------------------------------------
--- Common to many functions throughout the file.
--------------------------------------------------------------------------------
-local function SetTextColor(color_code, text)
-	return string.format("|cff%s%s|r", color_code or "ffffff", text)
-end
-
 local FormatRecipeText
 do
 	local SKILL_LEVEL_FORMAT = "[%d]"
diff --git a/core.lua b/core.lua
index 329ecc7..24011b9 100644
--- a/core.lua
+++ b/core.lua
@@ -144,6 +144,18 @@ if MissingLibraries() then
 	return
 end

+-------------------------------------------------------------------------------
+-- Functions common to most files in the AddOn.
+-------------------------------------------------------------------------------
+function private.SetTextColor(color_code, text)
+	return string.format("|cff%s%s|r", color_code or "ffffff", text)
+end
+
+
+
+-------------------------------------------------------------------------------
+-- Debugger.
+-------------------------------------------------------------------------------
 function addon:Debug(...)
 	if debugger then
 		debugger:AddMessage(string.format(...))