support json multirequest in apiv3 cache
support json multirequest in apiv3 cache

in json the ks will not arrive as 1:ks=xxx, instead there will be an array
for the each request and within it the ks

doubleshot/server,DBezemer/server,doubleshot/server,doubleshot/server,DBezemer/server,kaltura/server,doubleshot/server,DBezemer/server,kaltura/server,kaltura/server,kaltura/server,DBezemer/server,doubleshot/server,doubleshot/server,DBezemer/server,DBezemer/server,DBezemer/server,kaltura/server,kaltura/server,DBezemer/server,doubleshot/server,doubleshot/server