Fixed typos in ResponseId. (#63)

Author: Kevin Hellemun

BunqSdk/Exception/ApiException.cs

@@ -4,7 +4,7 @@ namespace Bunq.Sdk.Exception
     public class ApiException : System.Exception
     {
         public int ResponseCode { get; private set; }
-        public string ResponsId { get; private set; }
+        public string ResponseId { get; private set; }
 
         /// <inheritdoc />
         /// <param name="responseCode">The HTTP Response code of the failed request.</param>
@@ -13,7 +13,7 @@ public class ApiException : System.Exception
         protected ApiException(int responseCode, string message, string responseId) : base(message)
         {
             ResponseCode = responseCode;
-            ResponsId = responseId;
+            ResponseId = responseId;
         }
     }   
 }

BunqSdk/Http/ApiClient.cs

@@ -293,11 +293,11 @@ private static void AssertResponseSuccess(HttpResponseMessage responseMessage)
             throw CreateApiExceptionRequestUnsuccessful(
                 responseCode,
                 responseBody,
-                GetResponsId(responseMessage.Headers)
+                GetResponseId(responseMessage.Headers)
                 );
         }
 
-        private static string GetResponsId(HttpHeaders allHeader)
+        private static string GetResponseId(HttpHeaders allHeader)
         {
             if (allHeader.Contains(HEADER_RESPONSE_ID_UPPER_CASE))
             {