LRU: Added relink(), expiration(), at_and_*() and get_and_*()
LRU: Added relink(), expiration(), at_and_*() and get_and_*()

Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand,Kronuz/Xapiand