Updated tape to version 4.2.1

[anthonyshort]

:rocket:

tape just published version 4.2.1, so that’s now up to date in your package.json.

Check that it doesn’t break your code and release the new version of your software safe in the knowledge that it will stay in this working state.

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The new version differs by 7 commits (ahead by 7, behind by 0).

• 0dc9313: v4.2.1
• 77e1848: Use string.prototype.trim instead of relying on String#trim, for ES3.
• 1e22819: Merge pull request #195 from wbinnssmith/patch-1
• df62458: Add Node v4
• 0e407f0: Bumping defined to v1.0.0 - no implementation change, just follows semver now.
• 4711573: Merge pull request #189 from gritzko/master
• c22ad78: add tape-dom link to the readme

See the full diff.

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