Fixed the bugs

This reverts commit 2d7cc39245.

internal/cache.go

@@ -1747,6 +1747,7 @@ func (cache *Cache) GetAll(refresh bool) types.Twts {
 	return nil
 }
 
+/* XXX: Unused... Not sure if we should delete? (I'm normally against commenting out code :D)
 func (cache *Cache) FilterBy(filters ...FilterFunc) types.Twts {
 	return FilterTwtsBy(cache.GetAll(false), filters...)
 }
@@ -1754,6 +1755,7 @@ func (cache *Cache) FilterBy(filters ...FilterFunc) types.Twts {
 func (cache *Cache) GroupBy(g GroupFunc) (res map[string]types.Twts) {
 	return GroupTwtsBy(cache.GetAll(false), g)
 }
+*/
 
 func (cache *Cache) getMentions(u *User, refresh bool, fffs ...FilterFuncFactory) types.Twts {
 	key := fmt.Sprintf("mentions:%s", u.Username)
@@ -1771,7 +1773,7 @@ func (cache *Cache) getMentions(u *User, refresh bool, fffs ...FilterFuncFactory
 		return cached.GetTwts()
 	}
 
-	mentions := cache.FilterBy(FilterMentionsMe(cache, u))
+	mentions := FilterTwtsBy(cache.List.Twts, FilterMentionsMe(cache, u))
 	twts := cache.filterTwts(u, mentions)
 	sort.Sort(twts)
 
@@ -1782,7 +1784,7 @@ func (cache *Cache) getMentions(u *User, refresh bool, fffs ...FilterFuncFactory
 		for _, fff := range fffs {
 			ffs = append(ffs, fff(cache, u))
 		}
-		return FilterTwtsBy(cached.GetTwts(), ffs...)
+		return FilterTwtsBy(twts, ffs...)
 	}
 
 	return twts