Add retry to worker command

[fznoviar]

No description provided.

[scrutinizer-notifier]

The inspection completed: 15 new issues, 1 updated code elements

[codecov-io]

Current coverage is 94.16%

Merging #197 into master will decrease coverage by -0.09% as of a70fbc0

@@            master    #197   diff @@
======================================
  Files           46      46       
  Stmts         1357    1372    +15
  Branches         0       0       
  Methods        230     230       
======================================
+ Hit           1279    1292    +13
  Partial          0       0       
- Missed          78      80     +2

Review entire Coverage Diff as of a70fbc0

---

Uncovered Suggestions

1. +1.17% via ...ports/CrawlerUrl.php#302...317
2. +0.81% via ...onCheckerCommand.php#47...57
3. +0.44% via .../CustomPresenter.php#17...22
4. See 7 more...

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