Move bytes count to getPointersFromEntry
Move bytes count to getPointersFromEntry

To avoid counting the total frame size multiple times when
there are multiple requests for pointers for a frame.

braydonf/storj-bridge,braydonf/storj-bridge,bookchin/storj-bridge,Storj/metadisk-api,Storj/metadisk-api,Storj/bridge,Storj/bridge,bookchin/storj-bridge