…nebes)

This PR was squashed before being merged into the 5.4.x-dev branch (closes #618).

Discussion
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Allow arrays of parameters to be used with @IsGranted

This will allow `@IsGranted` annotation to pass an array of parameters to the security checker.  For example:

```
@IsGranted("CAN_DO_THINGS", subject={"thing1", "thing2"})
```

The equivalent can be done using an expression in the `@Security` annotation, but using the `@IsGranted` annotation provides better readability.

Commits
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296b733 Allow arrays of parameters to be used with @IsGranted