Make cache support animated image (#850)

* fix SIMULATE_WEB_RESPONSE not imported #449

* Fix to make rangeMode update in right time

* support animated image for cache

* Modify change log

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## master
 * Add your own contributions to the next release on the line below this with your name.
+- [ASPINRemoteImageDownloader] Allow cache to provide animated image. [Max Wang](https://github.com/wsdwsd0829) [#850](https://github.com/TextureGroup/Texture/pull/850)
 - [tvOS] Fixes errors when building against tvOS SDK [Alex Hill](https://github.com/alexhillc) [#728](https://github.com/TextureGroup/Texture/pull/728)
 - [ASDisplayNode] Add unit tests for layout z-order changes (with an open issue to fix).
 - [ASWrapperCellNode] Introduce a new class allowing more control of UIKit passthrough cells.

Source/Details/ASPINRemoteImageDownloader.m

@@ -204,7 +204,15 @@ - (void)cachedImageWithURL:(NSURL *)URL
 {
   [[self sharedPINRemoteImageManager] imageFromCacheWithURL:URL processorKey:nil options:PINRemoteImageManagerDownloadOptionsSkipDecode completion:^(PINRemoteImageManagerResult * _Nonnull result) {
     [ASPINRemoteImageDownloader _performWithCallbackQueue:callbackQueue work:^{
+#if PIN_ANIMATED_AVAILABLE
+      if (result.alternativeRepresentation) {
+        completion(result.alternativeRepresentation);
+      } else {
+        completion(result.image);
+      }
+#else
       completion(result.image);
+#endif
     }];
   }];
 }