bestpractical/rt — pull request #89 by tsibley (2014-03-24 21:17:24+00:00)
Title: Handle multiple Precedence headers

Detect auto-generated mail correctly when there are multiple Precedence headers

Example in the wild of multiple Precedence headers includes:

Precedence: never-bounce
Precedence: bulk

When `$head->get()` is called in scalar context, only the first value is
returned. Instead, return true if any of the multiple possible values
match.