3 commits

Author	SHA1	Message	Date
Kijin Sung	115ffa937e	Ensure that clear() returns bool in all cache drivers	2016-04-21 22:32:33 +09:00
Kijin Sung	8d733f1928	Change internal representation of cache groups	2016-04-18 17:41:00 +09:00
Kijin Sung	b8db18a242	Add dummy cache driver to use if no cache is configured	2016-04-17 16:44:38 +09:00