cherry-picker v 1.2.1

• Validate the branch name to operate on with --continue and fail early if the branch could not have been created by cherry_picker. (PR #266).

• Bugfix: Allow --continue to support version branches that have dashes in them. This is a bugfix of the additional branch versioning schemes introduced in 1.2.0. (PR #265).

• Bugfix: Be explicit about the branch name on the remote to push the cherry pick to. This allows cherry_picker to work correctly when the user has a git push strategy other than the default configured. (PR #264).