Stripe spaces around version in pkginfo filename
Fix help text for autopkg repo-update
Merge branch 'master' of https://github.com/autopkg/autopkg
When merging child/parent recipes, take the highest 'MinimumVersion' key if one exists

- fixes the issue of load_recipe() taking MinimumVersion only from the parent recipe
Code formatting cleanup
Merge branch 'master' of https://github.com/autopkg/autopkg
do_variable_substitution(): First make a mutable copy for NSDicts

- fixes #24
Update CHANGELOG.md
Update CHANGELOG.md