Test for the new getAdapter() method on CachedAdapter

#87

src/Bkwld/Croppa/Storage.php

@@ -112,9 +112,13 @@ public function cropsAreRemote() {
 		// Currently, the CachedAdapter doesn't have a getAdapter method so I can't
 		// tell if the adapter is local or not.  I'm assuming that if they are using
 		// the CachedAdapter, they're probably using a remote disk.  I've written
-		// a PR to add getAdapter to it. It is merged into master but not released yet.
+		// a PR to add getAdapter to it.
 		// https://github.com/thephpleague/flysystem-cached-adapter/pull/9
-		if (is_a($adapter, 'League\Flysystem\Cached\CachedAdapter')) return true;
+		if (is_a($adapter, 'League\Flysystem\Cached\CachedAdapter')) {
+			if (method_exists($adapter, 'getAdapter')) {
+				$adapter = $adapter->getAdapter(); // Get the ACTUAL adapter
+			} else return true;
+		}
 
 		// Check if the crop disk is not local
 		return !is_a($adapter, 'League\Flysystem\Adapter\Local');