- Samsung J series: fixed deleting of channels

- LG GlobalClone: modified channel names were not written to the file
- LG GlobalClone: ask whether the conflicting xx*.TLL files should be
  renamed so that the TV can import the GlobalClone file.
- LG GlobalClone: improved support for old file format with may
  have caused errors due to invalid XML characters inside the file.
- Panasonic: re-enabled channel lists with gaps in the numbers
- Update-Check: looking for latest version at github.com
- Detecting corrupted files with 0 size or all bytes with value 0
- upgraded to latest DevExpress version

source/ChanSort.Api/Lookup.csv

@@ -1,10 +1,14 @@
 SERVICETYPE;Number;Description
 SERVICETYPE;01;SD-TV
 SERVICETYPE;02;Radio
+SERVICETYPE;03;Teletext
+SERVICETYPE;07;FM-Radio
+SERVICETYPE;10;AAC Radio
 SERVICETYPE;12;Data/Test
+SERVICETYPE;17;HD-TV
 SERVICETYPE;22;SD-TV
 SERVICETYPE;25;HD-TV
-SERVICETYPE;31;4K-TV
+SERVICETYPE;31;UHD-TV
 SERVICETYPE;211;Option
 
 ONID;Start;End;Name;Operator

source/ChanSort.Api/Utils/Tools.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Text;
 
 namespace ChanSort.Api
 {
@@ -118,5 +119,18 @@ namespace ChanSort.Api
       return bytes;
     }
     #endregion
+
+    #region HexEncode()
+    public static string HexEncode(byte[] bytes, bool uppercase = false)
+    {
+      const string HexDigitsLower = "0123456789abcdef";
+      const string HexDigitsUpper = "0123456789ABCDEF";
+      var hexDigits = uppercase ? HexDigitsUpper : HexDigitsLower;
+      var sb = new StringBuilder(bytes.Length * 2);
+      foreach (byte b in bytes)
+        sb.Append(hexDigits[b >> 4]).Append(hexDigits[b & 0x0F]);
+      return sb.ToString();
+    }
+    #endregion
   }
 }