Version 4.1.2

system/Data/Cache.php

@@ -147,4 +147,18 @@ abstract class _Cache extends AbstractData
 		}
 	}
 	
+	/**
+	 * Clear All Caches
+	 *
+	 * @return	void
+	 */
+	public function clearAll()
+	{
+		/* cacheKeys stored md5 hashes of the correct value, and the cache
+			is only used if the value it returns matches the hash, so clearing
+			this out invalidates all caches, even if the caching engine
+			does not allow us to actually clear them */
+		\IPS\Data\Store::i()->cacheKeys = array();
+	}
+	
 }