- Whitelisted subreddits only

- Filter criteria for posts
- Added subreddit to Submission.cs
- Increased context window

Model/Submission.cs

@@ -5,6 +5,7 @@ public class Submission
         Replies = new List<Comments>();
     }
     public String Author { get; set; }
+    public String Subreddit { get; set; }
     public String Title { get; set; }
     public String Body { get; set; }
     public String Link { get; set; }