Update should to version 8.2.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

should just published its new version 8.2.0, 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 should – 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 69 commits .

• 8a14e7b Merge branch 'master' of github.com:shouldjs/should.js
• 2117e3c Release 8.2.0
• 98d94fe Update string.js
• 81e052a Merge branch 'master' of github.com:shouldjs/should.js
• 7427774 Release 8.1.1
• c2537e3 Expose previous window.Should property manually
• e743d1c Update .zuul.yml
• 3317731 Update promise.js
• 047bfe3 Update should.js
• 57a2013 Release 8.1.0
• 4ad9880 Merge pull request #95 from seegno-forks/enhancement/add-date-type-assertion
• c37ecf9 Add Date type assertion
• 24bcb15 Release 8.0.2
• 4a0dd35 Update modules
• 73118ae Update docs for assert.deepEqual

There are 69 commits in total. See the full diff.

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