/_db handler: on index, pass last_index from memcache and set resulting index to memcache; stop clearing memcache on index action, since now we need memcache for this
/_db handler: on index, pass last_index from memcache and set resulting index to memcache; stop clearing memcache on index action, since now we need memcache for this

bubbleboy14/cantools,bubbleboy14/cantools,bubbleboy14/cantools,bubbleboy14/cantools