Replaced complicated GetReplies stuff with a simple implementation of GetMentions

mytwitter.py

@@ -76,13 +76,7 @@ class MyTwitter():
         if self.list is None or self.list == 'Home':
             statuses = self.api.GetHomeTimeline(count=self.num_entries)
         elif self.list == '@' + self.username:
-            statuses = []
-            page = 1
-            num_needed = self.num_entries
-            while num_needed > 0:
-                statuses.extend(self.api.GetReplies(page=page))
-                num_needed -= 20
-                page += 1
+            statuses = self.api.GetMentions(count=self.num_entries)
         else:
             statuses = self.api.GetListStatuses(self.list, per_page=self.num_entries)