- add - (BOOL) removeObjectsWithClass:(Class _Nonnull) class

- fix - (id _Nonnull) saveLocally:(id _Nonnull) object
- upgrade libraries

Example/Pods/AFNetworking/UIKit+AFNetworking/UIImageView+AFNetworking.m

@@ -75,17 +75,20 @@
                        success:(void (^)(NSURLRequest *request, NSHTTPURLResponse * _Nullable response, UIImage *image))success
                        failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse * _Nullable response, NSError *error))failure
 {
-
+    
     if ([urlRequest URL] == nil) {
-        [self cancelImageDownloadTask];
         self.image = placeholderImage;
+        if (failure) {
+            NSError *error = [NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorBadURL userInfo:nil];
+            failure(urlRequest, nil, error);
+        }
         return;
     }
-
+    
     if ([self isActiveTaskURLEqualToURLRequest:urlRequest]){
         return;
     }
-
+    
     [self cancelImageDownloadTask];
 
     AFImageDownloader *downloader = [[self class] sharedImageDownloader];