Cache::save() handles Throwable errors

Author: dg

src/Caching/Cache.php

@@ -127,6 +127,9 @@ public function save($key, $data, array $dependencies = NULL)
 			$this->storage->lock($key);
 			try {
 				$data = call_user_func_array($data, [& $dependencies]);
+			} catch (\Throwable $e) {
+				$this->storage->remove($key);
+				throw $e;
 			} catch (\Exception $e) {
 				$this->storage->remove($key);
 				throw $e;