Shorten readme intro
Fix old `.twigrc` references in readme
Move constant
twig-rebase: Rename variable
twig-rebase: Support `--autoconfirm`
twig-rebase: Abort when canceling
Support `set_option(:twig_rebase_autoconfirm)`
Support `twig-rebase-autoconfirm: true` config
Remove unneeded variables
twig-rebase: Read `twig-rebase-autoconfirm` config
twig-rebase: Document `--autoconfirm`
Add `twig rebase --autoconfirm` to readme
Add `twig rebase --autoconfirm` to history (GH-24)
Remove unneeded variables
Avoid shadowing variable
Improve `#run_pager` spec coverage
Add `Branch#parent_name`
checkout-parent: Clarify how to set parent branch
checkout-parent: Clarify variable names
Add `Twig#target_branch`