Some issue trackers use integers as their usernames, we should support that use case.
<rdar://problem/99053572>
Pull request: https://github.com/WebKit/WebKit/pull/3593
Committed 253712@main (ef3f903949bb): <https://commits.webkit.org/253712@main> Reviewed commits have been landed. Closing PR #3593 and removing active labels.
Committed 252432.300@safari-7614-branch (7eadecc4540c): <https://commits.webkit.org/252432.300@safari-7614-branch> Reviewed commits have been landed. Closing PR #40 and removing active labels.