1500 - Change TypeTable in WordDelimiterTokenFilter from string to List<string>

Author: alanprot

src/Nest/Domain/Analysis/TokenFilter/WordDelimiterTokenFilter.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using Newtonsoft.Json;
+using System;
 
 namespace Nest
 {
@@ -47,9 +48,12 @@ public WordDelimiterTokenFilter()
         [JsonProperty("protected_words_path ")]
         public string ProtectedWordsPath { get; set; }
 
-        [JsonProperty("type_table")]
+        [Obsolete("Please switch to TypeTableList property", true)]
         public string TypeTable { get; set; }
 
+        [JsonProperty("type_table")]
+        public List<string> TypeTableList { get; set; }
+
         [JsonProperty("type_table_path")]
         public string TypeTablePath { get; set; }
     }