Don't prune everything!
Also added count puts

Pathname objects become root if you operator+ them with absolute paths

But not the rest

Allows packager to salvage a failed build

So forumla scripts get ARGV[2..] as their arguments when brew install x
is invoked

Build timing
No dmd caveats

Return a string from the brew yield block

Absorb stdout unless --verbose is specified

The sources are required for development in D

This refers to the 'brew ln' command

The message "warning: already initialized constant OPT_TABLE" is due to
the non-case-sensitive HFS+ filesystem, and the Pathname module
including FileUtils as fileutils.