Fixed bug in workaround for game bug

I previously used `string.match()` which is not available in-game, but during testing I had another addon active that made this function available, which is why I did not catch this.
Closes #5
Closes #6

LevelRange.lua

@@ -18,7 +18,7 @@
 LEVELRANGE_NAME     = "LevelRange"
 
 -- Version Number
-LEVELRANGE_VERSION  = "2.0.6";
+LEVELRANGE_VERSION  = "2.0.7";
 
 -- Details
 Details = {
@@ -383,7 +383,7 @@ function LevelRange_WorldMapButton_OnUpdate(arg1)
     lLR_OldUpdate(arg1);
 
     local areaNameRaw = WorldMapFrame.areaName or "";
-    local areaNameTrimmed = string.match(areaNameRaw, "^%s*(.-)%s*$"); -- 2.0.6: Added code to trim whitespace to deal with patch 1.18 bug for Northwind zone: In-game name contains trailing space 'Northwind '.
+    local _, _, areaNameTrimmed = string.find(areaNameRaw, "^%s*(.-)%s*$"); -- 2.0.7: Fixed code added in 2.0.6 to trim whitespace to deal with patch 1.18 bug for Northwind zone: In-game name contains trailing space 'Northwind '.
     local zoneNum = GetCurrentMapZone();
 
     -- Zone name equivalence map