Tags give the ability to mark specific points in history as being important
Version 1.3.0, compatible with Varnish 6.3.
v0.5.1, adds integers associated with set elements for Varnish 6.0
v1.0.1, adds integers associated with set elements for Varnish 6.1
v1.2.0, adds integers associated with set elements
version 1.0.0, packages for VRT 8 (Varnish 6.1 & libvarnishapi.so.2)
version 0.4.0, compatible with Varnish 5.2
version 0.5.0, initial version, compatible with VRT ABI 7.0 / Varnish 6.0