App < Object
Git::Whistles Jira < Object
Git::Whistles Bare < App
Git::Whistles::PullRequest Jira < Bare
Git::Whistles::PullRequest Pivotal < Bare
Git::Whistles::PullRequest
Api < Object
Git::Whistles::Youtrack Branch < App
Git::Whistles::Youtrack Ticket < Object
Git::Whistles::Youtrack