2.2.0 - Allow multiple fields to match|Param of not-allowed values

[JamesWatsonLNRS]

Apologies - I'd meant to pull this into my fork - but I'll leave here in case you want it

[codeclimate[bot]]

Code Climate has analyzed commit 3e877cea and detected 11 issues on this pull request.

Here's the issue category breakdown:

Category	Count
Complexity	3
Duplication	7
Style	1

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