formatted_string_display_size -> unformat_string
Whitespace
Refactor repetition in GitHub-related subcommands
Upgrade to RSpec 2.13.0
Simplify test
Handle errors in `#abort_for_option_exception`
Add `Twig::GithubRepo.run` for easier testing
Add `#unset_branch_property_for_cli`

Working toward shortening `#read_cli_args!`.
Capture stderr when testing for a git repository
Don't abort when user asks for help
Add tests for Twig#repo?
Fix URL for twig homepage
Add `#set_branch_property_for_cli`
Merge pull request #17 from ryangreenberg/fix_homepage_url

Fix URL for twig homepage
Add `#get_branch_property_for_cli`
Tweak test descriptions
Move `--max-days-old` to top of filtering help
Note fixed homepage URL in history
`:branch_only` -> `:property_only`
`:branch_except` -> `:property_except`