istanbul@0.4.3 breaks build ⚠️

[greenkeeperio-bot]

Hello 👋

⚠️⚠️⚠️

istanbul just published its new version 0.4.3, which is covered by your current version range. After updating it in your project the build kept failing.

This means it’s possible that your software is malfunctioning, because of this update. Use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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[codecov-io]

Current coverage is 97.62%

Merging #166 into master will decrease coverage by -0.26% as of 71c818e

@@            master    #166   diff @@
======================================
  Files            1       1       
  Stmts          379     379       
  Branches       110     110       
  Methods          0       0       
======================================
- Hit            371     370     -1
  Partial          1       1       
- Missed           7       8     +1

Review entire Coverage Diff as of 71c818e

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Uncovered Suggestions

1. +0.79% via lib/urllib.js#523...525
2. +0.53% via lib/urllib.js#493...494
3. +0.26% via lib/urllib.js#589...589
4. See 2 more...

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[mention-bot]

By analyzing the blame information on this pull request, we identified @fengmk2 and @dead-horse to be potential reviewers