[minor] Added freelist for pagelet creation. [minor] Support a common cache interface. [minor] Uppercased ACL.
[minor] Added freelist for pagelet creation.
[minor] Support a common cache interface.
[minor] Uppercased ACL.

bigpipe/bigpipe,PatidarWeb/bigpipe,tonybo2006/bigpipe,PatidarWeb/bigpipe,tonybo2006/bigpipe,bigpipe/bigpipe