PR lifecycle requires reviewers to be assigned as 'assignees' of
the PR. This is because GitHub did not have a way to filter PRs by
review requests.
GitHub has added the ability to filter PRs by review requests
https://github.com/blog/2306-filter-pull-request-reviews-and-review-requests
Let's remove the requirement to use the assignees field in PRs to
indicate reviewers.
Checkout this PR version locally
```shell
git fetch https://github.com/oss-generic/process.git refs/pr/62/1/head:BRANCHNAME
```
where `BRANCHNAME` is the name of the local branch you want to fetch this PR to.
Checkout this PR version locally
```shell
git fetch https://github.com/oss-generic/process.git refs/pr/62/2/head:BRANCHNAME
```
where `BRANCHNAME` is the name of the local branch you want to fetch this PR to.
Fixes #36