multiple content per fetcher

lib/fetcher.go

@@ -21,9 +21,10 @@ type Fetcher interface {
 
 // BaseFetcher contains common fields for all fetchers.
 type BaseFetcher struct {
-	BaseURL string
-	Token   string
-	Cache   *Cache
+	BaseURL      string
+	Token        string
+	Cache        *Cache
+	ContentLimit int
 }
 
 // TryCreateEntry checks the cache and creates an Entry if the value has changed.