Update tcomb to version 3.0.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

tcomb just published its new version 3.0.0, 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 tcomb – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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GitHub Release

Warning. If you don't rely in your codebase on the property maybe(MyType)(undefined) === null this is not a breaking change for you.

• Breaking Change
  • prevent Maybe constructor from altering the value when Nil, fix #183 (thanks @gabro)

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The new version differs by 34 commits .

• e8cf05e bump version
• e3f7ade Merge pull request #186 from gabro/patch-1
• 5307cba Add tests for maybe(MyType)(undefined) to be undefined
• c8dea3b Prevent Maybe constructor from altering the value when Nil (fixes #183)
• 9905df4 add hint
• cb8196f add stack trace
• 2fa5e86 Merge pull request #182 from gabro/patch-1
• d6eae80 Use t.dict instead of plain dict (for consistency with other examples)
• 0067288 Fix type in dict example
• 9837ee9 Merge pull request #181 from gabro/patch-1
• e1d16ce Fix typo in union API doc
• 5cf824a experimental issue template
• 050b473 Merge pull request #180 from kohei-takata/patch-1
• 9059ceb Fix typo
• 595c26a rename spec to patch

There are 34 commits in total. See the full diff.

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