Update args to version 0.3.1 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

args just published its new version 0.3.1, 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 args – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 22 commits .

• 48bb4fb Doesn't do anything
• ec1ab9e Proper comments
• bd044ec 0.3.1
• 7214a46 Comment on a few things
• a0ef7a3 Set option defaults
• 95a0a34 Create a new instance of .raw
• 1c606ac Stop raising errors for commands
• b4568b9 Use text for heading
• b0eb9b6 Return empty object
• bf6e45f Raise error if not defined
• 11d840a Put under config
• 1aa64f8 API for help
• 3e6e103 Expose showHelp
• 5db7ef8 Link sections
• 4d85934 New section for config

There are 22 commits in total. See the full diff.

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