Add IndexOf property to WSRequest and Description classes; implement getValue function in recipes-and-patterns.js

Adaptation/FileHandlers/pcl/Convert.cs

@@ -42,7 +42,7 @@ internal class Convert
             RedirectStandardOutput = true,
         };
         Process process = Process.Start(processStartInfo);
-        _ = process.WaitForExit(30000);
+        _ = process.WaitForExit(300000);
         string text;
         string checkFile;
         string[] pdfFiles = Directory.GetFiles(sourcePath, "*.pdf", SearchOption.TopDirectoryOnly);