Fugbix typo.

For reference: https://github.com/bagder/curl/blob/e7bcfb368c3f9145e89e1fa85c94edcb381c3e72/packages/OS400/curl.inc.in#L233-L240
Use PHPUnit's built-in `@requires` annotation.
Prevent overriding all default class configs when using a custom ini.
Updated Books.php

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Updated Calendar.php

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Updated YouTube.php

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Updated Audit.php

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Updated Reports.php

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Merge pull request #386 from whatthejeff/patch-1

Fugbix typo.
Merge pull request #389 from whatthejeff/merge-config-classes

Prevent overriding all default class configs when using a custom ini.
Merge pull request #388 from whatthejeff/fix-requires

Use PHPUnit's built-in `@requires` annotation.