EDMI: Add 3-tier database access in DatabaseWithFallback, add client config,

EDMI Service: Version 2.4.0.0
EDMI: API: Version 1.4.0.0

Service.EDMIService/Methods/Database/GetDatatableFromCache/GetDatatableFromCacheRequest.vb

@@ -0,0 +1,14 @@
+Imports System.Runtime.Serialization
+
+Namespace Methods.Database.GetDatatableFromCache
+    <Serializable>
+    <DataContract>
+    Public Class GetDatatableFromCacheRequest
+        <DataMember>
+        Public Property DataTable As String
+        <DataMember>
+        Public Property FilterExpression As String
+        <DataMember>
+        Public Property SortByColumn As String
+    End Class
+End Namespace