Merge pull request #1 from typemytype/master

convert to bool
allow versioning with info.plist
Merge branch 'master' of github.com:jackjennings/Mechanic
update readme typos
update GithubRepo to look for extension_path when extracting
Update README.md
remove errant print
Merge branch 'master' of github.com:jackjennings/Mechanic
Merge pull request #1 from jackjennings/master

update from master