re-implemented auto-upload on publish

fixed the max length migration for MySQL
configure the python projects to be able to be published from command line
optimize find active pentalties query
add feature for issue #38
testing fix for concurrent dict access (in stats plugin)

SharedLibraryCore/Events/Change.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SharedLibraryCore.Events
+{
+    /// <summary>
+    /// represents change from one value to another
+    /// </summary>
+    class Change
+    {
+        /// <summary>
+        /// represents the previous value of the item
+        /// </summary>
+        public string PreviousValue { get; set; }
+        /// <summary>
+        /// represents the new/current value of the item
+        /// </summary>
+        public string NewValue { get; set; }
+    }
+}