revert to VB and update to new project file format

Pilz.Collections/SimpleHistory/Enums.vb

@@ -0,0 +1,12 @@
+Namespace SimpleHistory
+
+    ''' <summary>
+    ''' Specify which member types you would include.
+    ''' </summary>
+    Public Enum ObjectValueType
+        None = 0
+        Field = 1
+        [Property] = 2
+    End Enum
+
+End Namespace