tcocca/active_pdftk — pull request #20 by mikeauclair (2011-10-19 19:08:20+00:00)
Title: caches pdftk location at class level

In no way married to this implementation, but this caches the location of pdftk at the Call class level, reducing the number of calls to locate. Sped up my spec run from ~55s to ~40s.