Finished and polished project (added files)

GZipTest/IProcessingModule.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GZipTest
+{
+    interface IProcessingModule
+    {
+        void Run(string input, string output);
+        void Stop();
+        event ProgressChangedEventHandler ProgressChanged;
+        event EventHandler Complete;
+        event ErrorEventHandler ErrorOccured;
+    }
+}