phinze/homebrew-cask — pull request #2688 by rolandwalker (2014-01-29 01:17:48+00:00)
Title: devscripts: Avoid overcounting new Casks: subtract deletions

project_stats was producing slightly too high numbers for "Casks added since last release"
(error visible in the Changelog already). This PR subtracts deleted files. Renamed files
should not be an issue.