code: def get_logs_between_commits(self, a, b):
          
          print('REAL')
          ret = self.local('git --no-pager log --pretty=oneline %s...%s' % (a, b), capture=True)
          if self.verbose:
              print(ret)
          return str(ret)
docs: Retrieves all commit messages for all commits between the given commit numbers
          on the current branch.