Integer stack value JSON marshalling doesn't follow C# format

[roman-khimov]

Ours (getapplicationlog):

{
   "result" : {
      "executions" : [
         {
            "stack" : [
               {
                  "type" : "Integer",
                  "value" : 1
               }
            ],
            "vmstate" : "HALT",
            "gas_consumed" : "5.435",
            "trigger" : "Application",
            "notifications" : [
               {
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteArray",
                           "value" : "7472616e73666572"
                        },
                        {
                           "type" : "ByteArray",
                           "value" : ""
                        },
                        {
                           "value" : "3131a3a8b37b95ffa7d771fa9a20e903045e7843",
                           "type" : "ByteArray"
                        },
                        {
                           "value" : 1000000000,
                           "type" : "Integer"
                        }
                     ]
                  },
                  "contract" : "0xbe0da5478954f03c44c06d63bf613dc98c621e96"
               }
            ],
            "contract" : "0x8b97d0ad65ffd62ca74cebdc4ae5776515c68897"
         }
      ],
      "txid" : "0x13ce0645e911f556a381964580c09d750213f888eb8f10d0a90b9a0c43f75952"
   },
   "jsonrpc" : "2.0",
   "id" : 1
}

Theirs:

{
   "jsonrpc" : "2.0",
   "id" : 1,
   "result" : {
      "txid" : "0x13ce0645e911f556a381964580c09d750213f888eb8f10d0a90b9a0c43f75952",
      "executions" : [
         {
            "trigger" : "Application",
            "stack" : [
               {
                  "type" : "Integer",
                  "value" : "1"
               }
            ],
            "vmstate" : "HALT",
            "contract" : "0x9788c6156577e54adceb4ca72cd6ff65add0978b",
            "gas_consumed" : "5.435",
            "notifications" : [
               {
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteArray",
                           "value" : "7472616e73666572"
                        },
                        {
                           "type" : "ByteArray",
                           "value" : ""
                        },
                        {
                           "value" : "3131a3a8b37b95ffa7d771fa9a20e903045e7843",
                           "type" : "ByteArray"
                        },
                        {
                           "value" : "1000000000",
                           "type" : "Integer"
                        }
                     ]
                  },
                  "contract" : "0x961e628cc93d61bf636dc0443cf0548947a50dbe"
               }
            ]
         }
      ]
   }
}

Notice that C# node wraps Integer values in strings for some reason, so even though it looks a little strange we probably should follow this convention as we don't have any better standard at the moment.