Improved error messages when debugging fails

If Lime is not installed, says that instead of suggesting that the version is older than 7.3.0

When an older version is installed, mentions which version it is.

src/lime/extension/Main.hx

@@ -764,9 +764,15 @@ class Main
 
 		if (!hasProjectFile || !isProviderActive) return config;
 
-		if (limeVersion < new SemVer(7, 3, 0))
+		if (limeVersion == new SemVer(0, 0, 0))
 		{
-			var message = 'Lime debug support requires Lime 7.3.0 (or greater)';
+			var message = 'Lime debug support requires Lime 7.3.0 (or greater) to be installed, but Lime not found.';
+			window.showWarningMessage(message);
+			return config;
+		}
+		else if (limeVersion < new SemVer(7, 3, 0))
+		{
+			var message = 'Lime debug support requires Lime 7.3.0 (or greater). Found Lime ${limeVersion.major}.${limeVersion.minor}.${limeVersion.patch} instead.';
 			window.showWarningMessage(message);
 			return config;
 		}