Update atom-package-deps to version 4.0.1 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

atom-package-deps just published its new version 4.0.1, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of atom-package-deps – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 42 commits .

• dfbce55 :fire: Remove outdated API from README
• 063af9e :bug: Fix API in README
• 7ce9fbc 4.0.0
• 90edd8f Merge pull request #43 from steelbrain/steelbrain/enhance
• 1d21ff1 :white_check_mark: Add more specs
• ed317b2 :white_check_mark: Add spec about hard coded package name
• aa7b830 :white_check_mark: Add specs about multiple packages
• fbb9217 :fire: Remove OSX from travis builds
• 29d02db :new: Add specs for network errors
• 5befd2b :art: Minor enhancements in installDependencies helper
• 9ffd9cb :bug: Remove a dangling import
• 6019596 :new: Re-add spec for entire module
• 76a738f :new: Convert installer class into a function
• ed35e30 :new: Properly mark view as completed
• c32ac61 :memo: Document more changes in changelog

There are 42 commits in total. See the full diff.

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