
* Add versions 3.27.{0,1,2} and 3.28.0
* Add url_for_version: the URL format includes the year so this
function maps version ranges to years
* Restore patches for versions removed in 84c547c
: this commit
removed versions before 3.26.0 due to a security issue with FTS
support. Add a +fts variant (default true) that enables FTS
support along with a conflict for +fts with earlier versions.