Modified Extract Cookie to use the built in cookie parser instead.

@@ -130,26 +130,17 @@ namespace LIL_VSTT_Plugins
 
         public override void Extract(object sender, ExtractionEventArgs e)
         {
-            WebHeaderCollection col = e.Response.Headers;
-            foreach (string h in col.Keys)
+            foreach (Cookie ck in e.Response.Cookies)
             {
-                if(h.Equals("Set-Cookie"))
+                if(ck.Name.Equals(cookieName))
                 {
-                    string[] cookie = col[h].Split('=');
-                    if(cookie[0].Equals(cookieName))
-                    {
-                        string value = "";
-                        if (cookie.Length > 1)
-                        {
-                            value = cookie[1].Split(';')[0];
-                        }
-                        e.WebTest.Context.Add(this.ContextParameterName, WebUtility.UrlDecode(value));
+                    e.WebTest.Context.Add(this.ContextParameterName, WebUtility.UrlDecode(ck.Value));
                     e.Success = true;
                     e.Message = "Cookie found";
                     return;
                 }
             }
-            }
+
             e.Success = false;
             e.Message = "Cookie not found";
         }