- Improved TestUtils to support comparing Results with StatusDetail (containing MissingAttributeDetail)

- Fixed issue #69 (Enable PDP extensions (e.g. Functions) to return an error about invalid attribute values in form of XACML <StatusDetail> / <MissingAttributeDetail>s) with example of custom RequestPreprocessor (CustomTestRequestPreprocessorFactory) and custom function (TestExtensibleSimpleValueEqualFunction) for unit test
- Added use of StatusDetail/MissingAttributeDetail in AttributeSelector expression evaluation when missing named Attribute(s)
- Upgraded dependency authzforce-ce-core-pdp-api: 21.3.0
- SingleDecisionXacmlJaxbRequestPreprocessor class improved: new constructor with argument `namedAttributeParser` (custom parser of named Attributes, to customize how XACML Attributes are converted into instance of AuthzForce internal Attribute class)

Bump ivy from 2.4.0 to 2.5.1 in /pdp-testutils

Bumps ivy from 2.4.0 to 2.5.1.

---
updated-dependencies:
- dependency-name: org.apache.ivy:ivy
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

- Upgraded managed jackson dependencies to 2.13.4.x (fixed CVEs)
- Fixed #66 : issue building the project on Windows

- New PdpEngineConfiguration class constructor parameter - XML namespace prefix-to-URI mappings - to help fix the issue authzforce/server#66 .
- Fix CVE-2020-36518 affecting jackson dependency
- Upgrade authzforce-ce-core-pdp-api to 21.2.0

- New PdpEngineConfiguration class constructor parameter - XML namespace prefix-to-URI mappings - to help fix the issue authzforce/server#66 .
- Fix CVE-2020-36518 affecting jackson dependency
- Upgrade authzforce-ce-core-pdp-api to 21.2.0