Fix for #81
Add doc about --remote option for fork.
Check for git upfront
Fix #86

Allow --remote=... to be used on any command to override defaults.
Fix #90
Fix #94
Fix raw output in pulls
Patch for #87
Fix #76
Make pull-queue work outside a repo.
Make the the pulls output more readable

@dagolden, you might be interested.
Fix #62
Add pull-fetch command

This fetches the pull to a local 'review/$number' branch
for local review and more control over the review process.