v60.24

Support VUT.(p-r #75 thanks ehocdet).
Fix callback logic(vxid/groupcb).
VarnishLog is deprecated, replace to VarnishLogVUT.

v52.23

Enhance performance.
Add some feature in dispatch().
Add transaction_type in callbackdata(cbd)

v52.22

Fix VSC/varnishstat bug

v52.21

Support Varnish5.2.x