Updateable PRs (fixed)

Fixes issues around checking PRs by branch - now correctly checks for existing PRs by target branch and doesn't create a PR if one already exists

Updateable PRs (DON'T USE)

0.0.4

don't create new PR when one already exists for the same branch

0.0.3

Allows git command to read from environment variables. This allows, for example, to run `GIT_SSH_COMMAND='' prify runq to modify the ssh behaviour

0.0.2

• You can now push to the base branch without a 'git checkout' error

Initial Working Version

0.0.1

fix e2e test script